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
  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
 651     NON_GNU_CPP=/lib/cpp
 652     NON_GCC_TEST_OPTIONS=-32
 653   ;;
 654   mips-sgi-irix5.[01]* )
 655     machine=iris4d opsys=irix5-0
 656   ;;
 657   mips-sgi-irix5* | mips-sgi-irix* )
 658     machine=iris4d opsys=irix5-2
 659   ;;
 660
 661   ## SONY machines
 662   m68*-sony-bsd4.2* )
 663     machine=news opsys=bsd4-2
 664   ;;
 665   m68*-sony-bsd4.3* )
 666     machine=news opsys=bsd4-3
 667   ;;
 668   m68*-sony-newsos3* | m68*-sony-news3*)
 669     machine=news opsys=bsd4-3
 670   ;;
 671   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 672     machine=news-risc opsys=bsd4-3
 673   ;;
 674   mips-sony-news* )
 675     machine=news-risc opsys=newsos5
 676   ;;
 677
 678   ## Stride
 679   m68*-stride-sysv* )
 680     machine=stride opsys=usg5-2
 681   ;;
 682
 683   ## Suns
 684   sparc-*-linux-gnu* )
 685     machine=sparc opsys=gnu-linux
 686   ;;
 687
 688   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 689     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 690     | rs6000-*-solaris2*)
 691     case "${canonical}" in
 692       m68*-sunos1* )    machine=sun1 ;;
 693       m68*-sunos2* )    machine=sun2 ;;
 694       m68* )            machine=sun3 ;;
 695       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 696       i[3456]86-*-* )     machine=intel386 ;;
 697       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 698       sparc* )          machine=sparc ;;
 699       * )               unported=yes ;;
 700     esac
 701     case "${canonical}" in
 702       ## The Sun386 didn't get past 4.0.
 703       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 704       *-sunos4.0*         ) opsys=sunos4-0 ;;
 705       *-sunos4.1.[3-9]* | *-sunos4shr*)
 706                 opsys=sunos4shr
 707                 NON_GNU_CPP=/usr/lib/cpp
 708                 ;;
 709       *-sunos4.1.[3-9]*noshare )
 710                 opsys=sunos4-1-3
 711                 NON_GNU_CPP=/usr/lib/cpp
 712                 NON_GCC_TEST_OPTIONS=-Bstatic
 713                 GCC_TEST_OPTIONS=-static
 714                 ;;
 715       *-sunos4* | *-sunos )
 716                 opsys=sunos4-1
 717                 NON_GCC_TEST_OPTIONS=-Bstatic
 718                 GCC_TEST_OPTIONS=-static
 719                 ;;
 720       *-sunos5.3* | *-solaris2.3* )
 721                 opsys=sol2-3
 722                 NON_GNU_CPP=/usr/ccs/lib/cpp
 723                 ;;
 724       *-sunos5.4* | *-solaris2.4* )
 725                 opsys=sol2-4
 726                 NON_GNU_CPP=/usr/ccs/lib/cpp
 727                 RANLIB="ar -ts"
 728                 ;;
 729       *-sunos5.5* | *-solaris2.5* )
 730                 opsys=sol2-5
 731                 NON_GNU_CPP=/usr/ccs/lib/cpp
 732                 RANLIB="ar -ts"
 733                 ;;
 734       *-sunos5* | *-solaris* )
 735                 opsys=sol2-4
 736                 NON_GNU_CPP=/usr/ccs/lib/cpp
 737                 ;;
 738       *                   ) opsys=bsd4-2   ;;
 739     esac
 740     ## Watch out for a compiler that we know will not work.
 741     case "${canonical}" in
 742      *-solaris* | *-sunos5* )
 743                 if [ "x$CC" = x/usr/ucb/cc ]; then
 744                   ## /usr/ucb/cc doesn't work;
 745                   ## we should find some other compiler that does work.
 746                   unset CC
 747                 fi
 748                 ;;
 749       *) ;;
 750     esac
 751   ;;
 752   sparc-*-nextstep* )
 753     machine=sparc opsys=nextstep
 754   ;;
 755
 756   ## Tadpole 68k
 757   m68*-tadpole-sysv* )
 758     machine=tad68k opsys=usg5-3
 759   ;;
 760
 761   ## Tahoe machines
 762   tahoe-tahoe-bsd4.2* )
 763     machine=tahoe opsys=bsd4-2
 764   ;;
 765   tahoe-tahoe-bsd4.3* )
 766     machine=tahoe opsys=bsd4-3
 767   ;;
 768
 769   ## Tandem Integrity S2
 770   mips-tandem-sysv* )
 771     machine=tandem-s2 opsys=usg5-3
 772   ;;
 773
 774   ## Tektronix XD88
 775   m88k-tektronix-sysv3* )
 776   machine=tekxd88 opsys=usg5-3
 777   ;;
 778
 779   ## Tektronix 16000 box (6130?)
 780   ns16k-tektronix-bsd* )
 781     machine=ns16000 opsys=bsd4-2
 782   ;;
 783   ## Tektronix 4300
 784   ## src/m/tek4300.h hints that this is a m68k machine.
 785   m68*-tektronix-bsd* )
 786     machine=tek4300 opsys=bsd4-3
 787   ;;
 788
 789   ## Titan P2 or P3
 790   ## We seem to have lost the machine-description file titan.h!
 791   titan-titan-sysv* )
 792     machine=titan opsys=usg5-3
 793   ;;
 794
 795   ## Ustation E30 (SS5E)
 796   m68*-unisys-uniplus* )
 797     machine=ustation opsystem=unipl5-2
 798   ;;
 799
 800   ## Vaxen.
 801   vax-dec-* )
 802     machine=vax
 803     case "${canonical}" in
 804       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 805       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 806       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 807       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 808       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 809       *-vms* )                                          opsys=vms ;;
 810       * )                                               unported=yes
 811     esac
 812   ;;
 813
 814   ## Whitechapel MG1
 815   ns16k-whitechapel-* )
 816     machine=mg1
 817     ## We don't know what sort of OS runs on these; we'll let the
 818     ## operating system guessing code below try.
 819   ;;
 820
 821   ## Wicat
 822   m68*-wicat-sysv* )
 823     machine=wicat opsys=usg5-2
 824   ;;
 825
 826   ## Intel 386 machines where we don't care about the manufacturer
 827   i[3456]86-*-* )
 828     machine=intel386
 829     case "${canonical}" in
 830       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 831       *-isc2.2* )               opsys=isc2-2 ;;
 832       *-isc4.0* )               opsys=isc4-0 ;;
 833       *-isc4.* )                opsys=isc4-1
 834                                 GCC_TEST_OPTIONS=-posix
 835                                 NON_GCC_TEST_OPTIONS=-Xp
 836                                 ;;
 837       *-isc* )                  opsys=isc3-0 ;;
 838       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 839       *-esix* )                 opsys=esix ;;
 840       *-xenix* )                opsys=xenix ;;
 841       *-linux-gnu* )            opsys=gnu-linux ;;
 842       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 843       *-sco3.2v5* )             opsys=sco5
 844                                 NON_GNU_CPP=/lib/cpp
 845                                 # Prevent -belf from being passed to $CPP.
 846                                 # /lib/cpp does not accept it.
 847                                 OVERRIDE_CPPFLAGS=
 848                                 ;;
 849       *-bsd386* | *-bsdi1* )    opsys=bsd386 ;;
 850       *-bsdi2* )                opsys=bsdos2 ;;
 851       *-386bsd* )               opsys=386bsd ;;
 852       *-freebsd* )              opsys=freebsd ;;
 853       *-nextstep* )             opsys=nextstep ;;
 854       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 855     esac
 856   ;;
 857
 858   ## Linux/68k-based GNU system
 859   m68k-*-linux-gnu* )
 860     machine=m68k opsys=gnu-linux
 861   ;;
 862
 863   * )
 864     unported=yes
 865   ;;
 866 esac
 867
 868 ### If the code above didn't choose an operating system, just choose
 869 ### an operating system based on the configuration name.  You really
 870 ### only want to use this when you have no idea what the right
 871 ### operating system is; if you know what operating systems a machine
 872 ### runs, it's cleaner to make it explicit in the case statement
 873 ### above.
 874 if test x"${opsys}" = x; then
 875   case "${canonical}" in
 876     *-gnu* )                            opsys=gnu ;;
 877     *-bsd4.[01] )                       opsys=bsd4-1 ;;
 878     *-bsd4.2 )                          opsys=bsd4-2 ;;
 879     *-bsd4.3 )                          opsys=bsd4-3 ;;
 880     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
 881     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
 882     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
 883     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
 884     *-sysv4.1* | *-sysvr4.1* )
 885         NON_GNU_CPP=/usr/lib/cpp
 886         opsys=usg5-4 ;;
 887     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
 888         if [ x$NON_GNU_CPP = x ]; then
 889           if [ -f /usr/ccs/lib/cpp ]; then
 890             NON_GNU_CPP=/usr/ccs/lib/cpp
 891           else
 892             NON_GNU_CPP=/lib/cpp
 893           fi
 894         fi
 895         opsys=usg5-4-2 ;;
 896     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
 897     * )
 898       unported=yes
 899     ;;
 900   esac
 901 fi
 902
 903 if test "x$RANLIB" = x; then
 904   RANLIB=ranlib
 905 fi
 906
 907 changequote([, ])dnl
 908
 909 if test $unported = yes; then
 910   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
 911 Check \`etc/MACHINES' for recognized configuration names.])
 912 fi
 913
 914 machfile="m/${machine}.h"
 915 opsysfile="s/${opsys}.h"
 916
 917
 918 #### Choose a compiler.
 919 test -n "$CC" && cc_specified=yes
 920
 921 # Save the value of CFLAGS that the user specified.
 922 SPECIFIED_CFLAGS="$CFLAGS"
 923
 924 case ${with_gcc} in
 925   "yes" ) CC="gcc" GCC=yes ;;
 926   "no"  ) : ${CC=cc} ;;
 927   * ) AC_PROG_CC
 928 esac
 929
 930 # On Suns, sometimes $CPP names a directory.
 931 if test -n "$CPP" && test -d "$CPP"; then
 932   CPP=
 933 fi
 934
 935 #### Some systems specify a CPP to use unless we are using GCC.
 936 #### Now that we know whether we are using GCC, we can decide whether
 937 #### to use that one.
 938 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
 939 then
 940   CPP="$NON_GNU_CPP"
 941 fi
 942
 943 #### Some systems specify a CC to use unless we are using GCC.
 944 #### Now that we know whether we are using GCC, we can decide whether
 945 #### to use that one.
 946 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
 947   test x$cc_specified != xyes
 948 then
 949   CC="$NON_GNU_CC"
 950 fi
 951
 952 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
 953 then
 954   CC="$CC $GCC_TEST_OPTIONS"
 955 fi
 956
 957 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
 958 then
 959   CC="$CC $NON_GCC_TEST_OPTIONS"
 960 fi
 961
 962 #### Some other nice autoconf tests.  If you add a test here which
 963 #### should make an entry in src/config.h, don't forget to add an
 964 #### #undef clause to src/config.h.in for autoconf to modify.
 965
 966 dnl checks for programs
 967 AC_PROG_LN_S
 968 AC_PROG_CPP
 969 AC_PROG_INSTALL
 970 AC_PROG_YACC
 971
 972 dnl checks for Unix variants
 973 AC_AIX
 974
 975 dnl checks for header files
 976 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h linux/version.h)
 977 AC_HEADER_STDC
 978 AC_HEADER_TIME
 979 AC_DECL_SYS_SIGLIST
 980
 981 dnl Some systems have utime.h but don't declare the struct anyplace.
 982 AC_MSG_CHECKING(for struct utimbuf)
 983 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
 984 #include <sys/time.h>
 985 #include <time.h>
 986 #else
 987 #ifdef HAVE_SYS_TIME_H
 988 #include <sys/time.h>
 989 #else
 990 #include <time.h>
 991 #endif
 992 #endif
 993 #ifdef HAVE_UTIME_H
 994 #include <utime.h>
 995 #endif], [static struct utimbuf x; x.actime = x.modtime;],
 996   [AC_MSG_RESULT(yes)
 997    AC_DEFINE(HAVE_STRUCT_UTIMBUF)],
 998   AC_MSG_RESULT(no))
 999
1000 dnl checks for typedefs
1001 AC_TYPE_SIGNAL
1002
1003 AC_MSG_CHECKING(for struct timeval)
1004 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1005 #include <sys/time.h>
1006 #include <time.h>
1007 #else
1008 #ifdef HAVE_SYS_TIME_H
1009 #include <sys/time.h>
1010 #else
1011 #include <time.h>
1012 #endif
1013 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1014   [AC_MSG_RESULT(yes)
1015    HAVE_TIMEVAL=yes
1016    AC_DEFINE(HAVE_TIMEVAL)],
1017   [AC_MSG_RESULT(no)
1018    HAVE_TIMEVAL=no])
1019
1020 dnl checks for structure members
1021 AC_STRUCT_TM
1022 AC_STRUCT_TIMEZONE
1023
1024 dnl checks for compiler characteristics
1025 AC_C_CONST
1026
1027 dnl check for Make feature
1028 AC_PROG_MAKE_SET
1029
1030 dnl checks for operating system services
1031 AC_SYS_LONG_FILE_NAMES
1032
1033 #### Choose a window system.
1034
1035 AC_PATH_X
1036 if test "$no_x" = yes; then
1037   window_system=none
1038 else
1039   window_system=x11
1040 fi
1041
1042 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1043   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1044   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1045 fi
1046 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1047   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1048 fi
1049
1050 if test x"${x_includes}" = x; then
1051   bitmapdir=/usr/include/X11/bitmaps
1052 else
1053   # accumulate include directories that have X11 bitmap subdirectories
1054   bmd_acc="dummyval"
1055   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1056     if test -d "${bmd}/X11/bitmaps"; then
1057       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1058     elif test -d "${bmd}/bitmaps"; then
1059       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1060     fi
1061   done
1062   if test ${bmd_acc} != "dummyval"; then
1063     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1064   fi
1065 fi
1066
1067 case "${window_system}" in
1068   x11 )
1069     HAVE_X_WINDOWS=yes
1070     HAVE_X11=yes
1071     case "${with_x_toolkit}" in
1072       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1073       motif ) USE_X_TOOLKIT=MOTIF ;;
1074 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1075       no ) USE_X_TOOLKIT=none ;;
1076 dnl If user did not say whether to use a toolkit,
1077 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1078       * ) USE_X_TOOLKIT=maybe ;;
1079     esac
1080   ;;
1081   none )
1082     HAVE_X_WINDOWS=no
1083     HAVE_X11=no
1084     USE_X_TOOLKIT=none
1085   ;;
1086 esac
1087
1088 ### If we're using X11, we should use the X menu package.
1089 HAVE_MENUS=no
1090 case ${HAVE_X11} in
1091   yes ) HAVE_MENUS=yes ;;
1092 esac
1093
1094 if test "${opsys}" = "hpux9"; then
1095   case "${x_libraries}" in
1096     *X11R4* )
1097       opsysfile="s/hpux9-x11r4.h"
1098       ;;
1099   esac
1100 fi
1101
1102 if test "${opsys}" = "hpux9shr"; then
1103   case "${x_libraries}" in
1104     *X11R4* )
1105       opsysfile="s/hpux9shxr4.h"
1106       ;;
1107   esac
1108 fi
1109
1110 #### Extract some information from the operating system and machine files.
1111
1112 AC_CHECKING([the machine- and system-dependent files to find out
1113  - which libraries the lib-src programs will want, and
1114  - whether the GNU malloc routines are usable])
1115
1116 ### First figure out CFLAGS (which we use for running the compiler here)
1117 ### and REAL_CFLAGS (which we use for real compilation).
1118 ### The two are the same except on a few systems, where they are made
1119 ### different to work around various lossages.  For example,
1120 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1121 ### as implying static linking.
1122
1123 ### If the CFLAGS env var is specified, we use that value
1124 ### instead of the default.
1125
1126 ### It's not important that this name contain the PID; you can't run
1127 ### two configures in the same directory and have anything work
1128 ### anyway.
1129 tempcname="conftest.c"
1130
1131 echo '
1132 #include "'${srcdir}'/src/'${opsysfile}'"
1133 #include "'${srcdir}'/src/'${machfile}'"
1134 #ifndef LIBS_MACHINE
1135 #define LIBS_MACHINE
1136 #endif
1137 #ifndef LIBS_SYSTEM
1138 #define LIBS_SYSTEM
1139 #endif
1140 #ifndef C_SWITCH_SYSTEM
1141 #define C_SWITCH_SYSTEM
1142 #endif
1143 #ifndef C_SWITCH_MACHINE
1144 #define C_SWITCH_MACHINE
1145 #endif
1146 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1147 configure___ c_switch_system=C_SWITCH_SYSTEM
1148 configure___ c_switch_machine=C_SWITCH_MACHINE
1149
1150 #ifndef LIB_X11_LIB
1151 #define LIB_X11_LIB -lX11
1152 #endif
1153
1154 #ifndef LIBX11_MACHINE
1155 #define LIBX11_MACHINE
1156 #endif
1157
1158 #ifndef LIBX11_SYSTEM
1159 #define LIBX11_SYSTEM
1160 #endif
1161 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1162
1163 #ifdef UNEXEC
1164 configure___ unexec=UNEXEC
1165 #else
1166 configure___ unexec=unexec.o
1167 #endif
1168
1169 #ifdef SYSTEM_MALLOC
1170 configure___ system_malloc=yes
1171 #else
1172 configure___ system_malloc=no
1173 #endif
1174
1175 #ifndef C_DEBUG_SWITCH
1176 #define C_DEBUG_SWITCH -g
1177 #endif
1178
1179 #ifndef C_OPTIMIZE_SWITCH
1180 #define C_OPTIMIZE_SWITCH -O
1181 #endif
1182
1183 #ifdef THIS_IS_CONFIGURE
1184
1185 /* Get the CFLAGS for tests in configure.  */
1186 #ifdef __GNUC__
1187 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1188 #else
1189 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1190 #endif
1191
1192 #else /* not THIS_IS_CONFIGURE */
1193
1194 /* Get the CFLAGS for real compilation.  */
1195 #ifdef __GNUC__
1196 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1197 #else
1198 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1199 #endif
1200
1201 #endif /* not THIS_IS_CONFIGURE */
1202 ' > ${tempcname}
1203
1204 # The value of CPP is a quoted variable reference, so we need to do this
1205 # to get its actual value...
1206 CPP=`eval "echo $CPP"`
1207 changequote(, )dnl
1208 eval `${CPP} -Isrc ${tempcname} \
1209        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1210 if test "x$SPECIFIED_CFLAGS" = x; then
1211   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1212          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1213 else
1214   REAL_CFLAGS="$CFLAGS"
1215 fi
1216 changequote([, ])dnl
1217 rm ${tempcname}
1218
1219 ### Compute the unexec source name from the object name.
1220 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1221
1222 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1223 # Assume not, until told otherwise.
1224 GNU_MALLOC=yes
1225 if test "${system_malloc}" = "yes"; then
1226   GNU_MALLOC=no
1227   GNU_MALLOC_reason="
1228   (The GNU allocators don't work with this system configuration.)"
1229 fi
1230
1231 if test x"${REL_ALLOC}" = x; then
1232   REL_ALLOC=${GNU_MALLOC}
1233 fi
1234
1235 LISP_FLOAT_TYPE=yes
1236
1237
1238 #### Add the libraries to LIBS and check for some functions.
1239
1240 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1241   CPPFLAGS="$(OVERRIDE_CPPFLAGS)"
1242 else
1243   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1244 fi
1245
1246 LIBS="$libsrc_libs $LIBS"
1247
1248 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1249 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1250 AC_CHECK_LIB(dnet, dnet_ntoa)
1251 dnl This causes -lresolv to get used in subsequent tests,
1252 dnl which causes failures on some systems such as HPUX 9.
1253 dnl AC_CHECK_LIB(resolv, gethostbyname)
1254
1255 dnl FIXME replace main with a function we actually want from this library.
1256 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1257
1258 AC_CHECK_LIB(pthreads, cma_open)
1259
1260 AC_MSG_CHECKING(for XFree86)
1261 if test -d /usr/X386/include; then
1262   HAVE_XFREE386=yes
1263   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1264 else
1265   HAVE_XFREE386=no
1266 fi
1267 AC_MSG_RESULT($HAVE_XFREE386)
1268
1269 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1270 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1271
1272 if test "${HAVE_X11}" = "yes"; then
1273   DEFS="$C_SWITCH_X_SITE $DEFS"
1274   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1275   LIBS="$LIBX $LIBS"
1276   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1277
1278   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1279   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1280   # but it's more convenient here to set LD_RUN_PATH
1281   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1282   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1283     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1284     export LD_RUN_PATH
1285   fi
1286
1287   if test "${opsys}" = "gnu-linux"; then
1288     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1289     AC_TRY_LINK([],
1290      [XOpenDisplay ("foo");],
1291      [xlinux_first_failure=no],
1292      [xlinux_first_failure=yes])
1293     if test "${xlinux_first_failure}" = "yes"; then
1294       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1295       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1296       OLD_CPPFLAGS="$CPPFLAGS"
1297       OLD_LIBS="$LIBS"
1298       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1299       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1300       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1301       LIBS="$LIBS -b i486-linuxaout"
1302       AC_TRY_LINK([],
1303        [XOpenDisplay ("foo");],
1304        [xlinux_second_failure=no],
1305        [xlinux_second_failure=yes])
1306       if test "${xlinux_second_failure}" = "yes"; then
1307         # If we get the same failure with -b, there is no use adding -b.
1308         # So take it out.  This plays safe.
1309         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1310         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1311         CPPFLAGS="$OLD_CPPFLAGS"
1312         LIBS="$OLD_LIBS"
1313         AC_MSG_RESULT(no)
1314       else
1315         AC_MSG_RESULT(yes)
1316       fi
1317     else
1318       AC_MSG_RESULT(no)
1319     fi
1320   fi
1321
1322   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1323 XScreenNumberOfScreen XSetWMProtocols)
1324 fi
1325
1326 if test "${window_system}" = "x11"; then
1327   AC_MSG_CHECKING(X11 version 6)
1328   AC_TRY_LINK([#include <X11/Xlib.h>],
1329 [#if XlibSpecificationRelease < 6
1330 fail;
1331 #endif
1332 ], [AC_MSG_RESULT(6 or newer)
1333     AC_DEFINE(HAVE_X11R6)],
1334    [AC_MSG_RESULT(before 6)])
1335 fi
1336
1337 if test "${window_system}" = "x11"; then
1338   AC_MSG_CHECKING(X11 version 5)
1339   AC_TRY_LINK([#include <X11/Xlib.h>],
1340 [#if XlibSpecificationRelease < 5
1341 fail;
1342 #endif
1343 ], [AC_MSG_RESULT(5 or newer)
1344     HAVE_X11R5=yes
1345     AC_DEFINE(HAVE_X11R5)],
1346    [
1347     HAVE_X11R5=no
1348     AC_MSG_RESULT(before 5)])
1349 fi
1350
1351 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1352   if test x"${HAVE_X11R5}" = xyes; then
1353     AC_MSG_CHECKING(X11 version 5 with Xaw)
1354     AC_TRY_LINK([
1355           #include <X11/Intrinsic.h>
1356           #include <X11/Xaw/Simple.h>],
1357       [],
1358       [AC_MSG_RESULT(5 or newer, with Xaw; use toolkit by default)
1359        USE_X_TOOLKIT=LUCID],
1360       [AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1361        USE_X_TOOLKIT=none])
1362   else
1363     USE_X_TOOLKIT=none
1364   fi
1365 fi
1366
1367 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1368
1369 if test "${USE_X_TOOLKIT}" != "none"; then
1370   AC_MSG_CHECKING(X11 toolkit version)
1371   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1372 [#if XtSpecificationRelease < 6
1373 fail;
1374 #endif
1375 ], [AC_MSG_RESULT(6 or newer)
1376     HAVE_X11XTR6=yes
1377     AC_DEFINE(HAVE_X11XTR6)],
1378    [AC_MSG_RESULT(before 6)
1379     HAVE_X11XTR6=no])
1380
1381 dnl If using toolkit, check whether libXmu.a exists.
1382 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1383   OLDLIBS="$LIBS"
1384   if test x$HAVE_X11XTR6 = xyes; then
1385     LIBS="-lXt -lSM -lICE $LIBS"
1386   else
1387     LIBS="-lXt $LIBS"
1388   fi
1389   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1390   LIBS="$OLDLIBS"
1391 fi
1392
1393 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1394 AC_MSG_CHECKING(whether netdb declares h_errno)
1395 AC_TRY_LINK([#include <netdb.h>],
1396   [return h_errno;],
1397   [AC_MSG_RESULT(yes)
1398    AC_DEFINE(HAVE_H_ERRNO)],
1399   [AC_MSG_RESULT(no)])
1400
1401 AC_FUNC_ALLOCA
1402
1403 # fmod, logb, and frexp are found in -lm on most systems.
1404 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1405 AC_CHECK_LIB(m, sqrt)
1406
1407 AC_CHECK_FUNCS(gettimeofday gethostname dup2 rename closedir mkdir rmdir \
1408 random lrand48 bcopy bcmp logb frexp fmod ftime res_init setsid \
1409 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale)
1410
1411 # Check this now, so that we will NOT find the above functions in ncurses.
1412 # That is because we have not set up to link ncurses in lib-src.
1413 # It's better to believe a function is not available
1414 # than to expect to find it in ncurses.
1415 AC_CHECK_LIB(ncurses, tparm)
1416
1417 AC_MSG_CHECKING(whether localtime caches TZ)
1418 AC_CACHE_VAL(emacs_cv_localtime_cache,
1419 [if test x$ac_cv_func_tzset = xyes; then
1420 AC_TRY_RUN([#include <time.h>
1421 #if STDC_HEADERS
1422 # include <stdlib.h>
1423 #endif
1424 extern char **environ;
1425 unset_TZ ()
1426 {
1427   char **from, **to;
1428   for (to = from = environ; (*to = *from); from++)
1429     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1430       to++;
1431 }
1432 main()
1433 {
1434   time_t now = time ((time_t *) 0);
1435   int hour_GMT0, hour_unset;
1436   if (putenv ("TZ=GMT0") != 0)
1437     exit (1);
1438   hour_GMT0 = localtime (&now)->tm_hour;
1439   unset_TZ ();
1440   hour_unset = localtime (&now)->tm_hour;
1441   if (putenv ("TZ=PST8") != 0)
1442     exit (1);
1443   if (localtime (&now)->tm_hour == hour_GMT0)
1444     exit (1);
1445   unset_TZ ();
1446   if (localtime (&now)->tm_hour != hour_unset)
1447     exit (1);
1448   exit (0);
1449 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1450 [# If we have tzset, assume the worst when cross-compiling.
1451 emacs_cv_localtime_cache=yes])
1452 else
1453         # If we lack tzset, report that localtime does not cache TZ,
1454         # since we can't invalidate the cache if we don't have tzset.
1455         emacs_cv_localtime_cache=no
1456 fi])dnl
1457 AC_MSG_RESULT($emacs_cv_localtime_cache)
1458 if test $emacs_cv_localtime_cache = yes; then
1459   AC_DEFINE(LOCALTIME_CACHE)
1460 fi
1461
1462 if test "x$HAVE_TIMEVAL" = xyes; then
1463 AC_MSG_CHECKING(whether gettimeofday can't accept two arguments)
1464 AC_TRY_LINK([
1465 #ifdef TIME_WITH_SYS_TIME
1466 #include <sys/time.h>
1467 #include <time.h>
1468 #else
1469 #ifdef HAVE_SYS_TIME_H
1470 #include <sys/time.h>
1471 #else
1472 #include <time.h>
1473 #endif
1474 #endif
1475   ],
1476   [
1477   struct timeval time;
1478   struct timezone dummy;
1479   gettimeofday (&time, &dummy);
1480 ],
1481   [AC_MSG_RESULT(no)],
1482   [AC_MSG_RESULT(yes)
1483    AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)])
1484 fi
1485
1486 ok_so_far=yes
1487 AC_CHECK_FUNC(socket, , ok_so_far=no)
1488 if test $ok_so_far = yes; then
1489   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1490 fi
1491 if test $ok_so_far = yes; then
1492   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1493 fi
1494 if test $ok_so_far = yes; then
1495   AC_DEFINE(HAVE_INET_SOCKETS)
1496 fi
1497
1498 if test -f /usr/lpp/X11/bin/smt.exp; then
1499   AC_DEFINE(HAVE_AIX_SMT_EXP)
1500 fi
1501
1502 # Set up the CFLAGS for real compilation, so we can substitute it.
1503 CFLAGS="$REAL_CFLAGS"
1504
1505 changequote(, )dnl
1506 #### Find out which version of Emacs this is.
1507 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1508          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1509 changequote([, ])dnl
1510 if test x"${version}" = x; then
1511   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1512 fi
1513
1514 ### Specify what sort of things we'll be editing into Makefile and config.h.
1515 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1516 AC_SUBST(version)
1517 AC_SUBST(configuration)
1518 AC_SUBST(canonical)
1519 AC_SUBST(srcdir)
1520 AC_SUBST(prefix)
1521 AC_SUBST(exec_prefix)
1522 AC_SUBST(bindir)
1523 AC_SUBST(datadir)
1524 AC_SUBST(sharedstatedir)
1525 AC_SUBST(libexecdir)
1526 AC_SUBST(mandir)
1527 AC_SUBST(infodir)
1528 AC_SUBST(lispdir)
1529 AC_SUBST(locallisppath)
1530 AC_SUBST(lisppath)
1531 AC_SUBST(etcdir)
1532 AC_SUBST(lockdir)
1533 AC_SUBST(archlibdir)
1534 AC_SUBST(docdir)
1535 AC_SUBST(bitmapdir)
1536 AC_SUBST(c_switch_system)
1537 AC_SUBST(c_switch_machine)
1538 AC_SUBST(LD_SWITCH_X_SITE)
1539 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1540 AC_SUBST(C_SWITCH_X_SITE)
1541 AC_SUBST(CFLAGS)
1542 AC_SUBST(X_TOOLKIT_TYPE)
1543 AC_SUBST(machfile)
1544 AC_SUBST(opsysfile)
1545 AC_SUBST(RANLIB)
1546
1547 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1548 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1549 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1550 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1551 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1552 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1553 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1554 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1555
1556 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1557   AC_DEFINE(HAVE_X_WINDOWS)
1558 fi
1559 if test "${USE_X_TOOLKIT}" != "none" ; then
1560   AC_DEFINE(USE_X_TOOLKIT)
1561 fi
1562 if test "${HAVE_X11}" = "yes" ; then
1563   AC_DEFINE(HAVE_X11)
1564 fi
1565 if test "${HAVE_XFREE386}" = "yes" ; then
1566   AC_DEFINE(HAVE_XFREE386)
1567 fi
1568 if test "${HAVE_MENUS}" = "yes" ; then
1569   AC_DEFINE(HAVE_MENUS)
1570 fi
1571 if test "${GNU_MALLOC}" = "yes" ; then
1572   AC_DEFINE(GNU_MALLOC)
1573 fi
1574 if test "${REL_ALLOC}" = "yes" ; then
1575   AC_DEFINE(REL_ALLOC)
1576 fi
1577 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1578   AC_DEFINE(LISP_FLOAT_TYPE)
1579 fi
1580
1581 #### Report on what we decided to do.
1582 echo "
1583 Configured for \`${canonical}'.
1584
1585   Where should the build process find the source code?    ${srcdir}
1586   What operating system and machine description files should Emacs use?
1587         \`${opsysfile}' and \`${machfile}'
1588   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1589   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1590   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1591   What window system should Emacs use?                    ${window_system}
1592   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
1593
1594 if test -n "${x_includes}"; then
1595 echo "  Where do we find X Windows header files?                ${x_includes}"
1596 else
1597 echo "  Where do we find X Windows header files?                Standard dirs"
1598 fi
1599 if test -n "${x_libraries}"; then
1600 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
1601 else
1602 echo "  Where do we find X Windows libraries?                   Standard dirs"
1603 fi
1604
1605 echo
1606
1607 # Remove any trailing slashes in these variables.
1608 changequote(, )dnl
1609 test "${prefix}" != NONE &&
1610   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1611 test "${exec_prefix}" != NONE &&
1612   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1613 changequote([, ])dnl
1614
1615 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1616         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in, [
1617
1618 ### Make the necessary directories, if they don't exist.
1619 for dir in cpp etc ; do
1620   test -d ${dir} || mkdir ${dir}
1621 done
1622
1623 # Build src/Makefile from ${srcdir}/src/Makefile.c
1624 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1625 # This must be done after src/config.h is built, since we rely on that file.
1626
1627 changequote(, )dnl The horror, the horror.
1628 # Now get this: Some word that is part of the ${srcdir} directory name
1629 # or the ${configuration} value might, just might, happen to be an
1630 # identifier like `sun4' or `i386' or something, and be predefined by
1631 # the C preprocessor to some helpful value like 1, or maybe the empty
1632 # string.  Needless to say consequent macro substitutions are less
1633 # than conducive to the makefile finding the correct directory.
1634 undefs="`echo $top_srcdir $configuration $canonical |
1635 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
1636     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1637 `"
1638 changequote([, ])dnl
1639
1640 echo creating lib-src/Makefile
1641 ( cd lib-src
1642   rm -f junk.c junk1.c junk2.c
1643   sed -e '/start of cpp stuff/q' \
1644       < Makefile.c > junk1.c
1645   sed -e '1,/start of cpp stuff/d'\
1646       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1647       < Makefile.c > junk.c
1648   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1649       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1650   cat junk1.c junk2.c > Makefile.new
1651   rm -f junk.c junk1.c junk2.c
1652   chmod 444 Makefile.new
1653   mv -f Makefile.new Makefile
1654 )
1655
1656 echo creating src/Makefile
1657 ( cd src
1658   rm -f junk.c junk1.c junk2.c
1659   sed -e '/start of cpp stuff/q' \
1660       < Makefile.c > junk1.c
1661   sed -e '1,/start of cpp stuff/d'\
1662       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1663       < Makefile.c > junk.c
1664   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1665       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1666   cat junk1.c junk2.c > Makefile.new
1667   rm -f junk.c junk1.c junk2.c
1668   chmod 444 Makefile.new
1669   mv -f Makefile.new Makefile
1670 )
1671
1672 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
1673   echo creating src/.gdbinit
1674   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
1675 fi
1676
1677 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])