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   ## ncr machine running svr4.3.
 520   i[3456]86-ncr-sysv4.3 )
 521     machine=ncr386 opsys=usg5-4-3
 522   ;;
 523
 524   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 525   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 526   i[3456]86-ncr-sysv* )
 527     machine=ncr386 opsys=usg5-4-2
 528   ;;
 529
 530   ## Intel Paragon OSF/1
 531   i860-intel-osf1* )
 532     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 533   ;;
 534
 535   ## Intel 860
 536   i860-*-sysv4* )
 537     machine=i860 opsys=usg5-4
 538     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 539     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 540   ;;
 541
 542   ## Masscomp machines
 543   m68*-masscomp-rtu* )
 544     machine=masscomp opsys=rtu
 545   ;;
 546
 547   ## Megatest machines
 548   m68*-megatest-bsd* )
 549     machine=mega68 opsys=bsd4-2
 550   ;;
 551
 552   ## Workstations sold by MIPS
 553   ## This is not necessarily all workstations using the MIPS processor -
 554   ## Irises are produced by SGI, and DECstations by DEC.
 555
 556   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 557   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 558   ## it gives for choosing between the alternatives seems to be "Use
 559   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 560   ## the BSD world."  I'll assume that these are instructions for
 561   ## handling two odd situations, and that every other situation
 562   ## should use mips.h and usg5-2-2, they being listed first.
 563   mips-mips-usg* )
 564     machine=mips4
 565     ## Fall through to the general code at the bottom to decide on the OS.
 566   ;;
 567   mips-mips-riscos4* )
 568     machine=mips4 opsys=bsd4-3
 569     NON_GNU_CC="cc -systype bsd43"
 570     NON_GNU_CPP="cc -systype bsd43 -E"
 571   ;;
 572   mips-mips-riscos5* )
 573     machine=mips4 opsys=riscos5
 574     NON_GNU_CC="cc -systype bsd43"
 575     NON_GNU_CPP="cc -systype bsd43 -E"
 576   ;;
 577   mips-mips-bsd* )
 578     machine=mips opsys=bsd4-3
 579   ;;
 580   mips-mips-* )
 581     machine=mips opsys=usg5-2-2
 582   ;;
 583
 584   ## NeXT
 585   m68*-next-* | m68k-*-nextstep* )
 586     machine=m68k opsys=nextstep
 587   ;;
 588
 589   ## The complete machine from National Semiconductor
 590   ns32k-ns-genix* )
 591     machine=ns32000 opsys=usg5-2
 592   ;;
 593
 594   ## NCR machines
 595   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 596     machine=tower32 opsys=usg5-2-2
 597   ;;
 598   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 599     machine=tower32v3 opsys=usg5-3
 600   ;;
 601
 602   ## Nixdorf Targon 31
 603   m68*-nixdorf-sysv* )
 604     machine=targon31 opsys=usg5-2-2
 605   ;;
 606
 607   ## Nu (TI or LMI)
 608   m68*-nu-sysv* )
 609     machine=nu opsys=usg5-2
 610   ;;
 611
 612   ## Plexus
 613   m68*-plexus-sysv* )
 614     machine=plexus opsys=usg5-2
 615   ;;
 616
 617   ## Pyramid machines
 618   ## I don't really have any idea what sort of processor the Pyramid has,
 619   ## so I'm assuming it is its own architecture.
 620   pyramid-pyramid-bsd* )
 621     machine=pyramid opsys=bsd4-2
 622   ;;
 623
 624   ## Sequent Balance
 625   ns32k-sequent-bsd4.2* )
 626     machine=sequent opsys=bsd4-2
 627   ;;
 628   ns32k-sequent-bsd4.3* )
 629     machine=sequent opsys=bsd4-3
 630   ;;
 631
 632   ## Siemens Nixdorf
 633   mips-siemens-sysv* | mips-sni-sysv*)
 634     machine=mips-siemens opsys=usg5-4
 635     NON_GNU_CC=/usr/ccs/bin/cc
 636     NON_GNU_CPP=/usr/ccs/lib/cpp
 637   ;;
 638
 639   ## Silicon Graphics machines
 640   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 641   m68*-sgi-iris3.5* )
 642     machine=irist opsys=iris3-5
 643   ;;
 644   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 645     machine=irist opsys=iris3-6
 646   ;;
 647   ## Iris 4D
 648   mips-sgi-irix3* )
 649     machine=iris4d opsys=irix3-3
 650   ;;
 651   mips-sgi-irix4* )
 652     machine=iris4d opsys=irix4-0
 653   ;;
 654   mips-sgi-irix6* )
 655     machine=iris4d opsys=irix6-0
 656     NON_GNU_CPP=/lib/cpp
 657     NON_GCC_TEST_OPTIONS=-32
 658   ;;
 659   mips-sgi-irix5.[01]* )
 660     machine=iris4d opsys=irix5-0
 661   ;;
 662   mips-sgi-irix5* | mips-sgi-irix* )
 663     machine=iris4d opsys=irix5-2
 664   ;;
 665
 666   ## SONY machines
 667   m68*-sony-bsd4.2* )
 668     machine=news opsys=bsd4-2
 669   ;;
 670   m68*-sony-bsd4.3* )
 671     machine=news opsys=bsd4-3
 672   ;;
 673   m68*-sony-newsos3* | m68*-sony-news3*)
 674     machine=news opsys=bsd4-3
 675   ;;
 676   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 677     machine=news-risc opsys=bsd4-3
 678   ;;
 679   mips-sony-news* )
 680     machine=news-risc opsys=newsos5
 681   ;;
 682
 683   ## Stride
 684   m68*-stride-sysv* )
 685     machine=stride opsys=usg5-2
 686   ;;
 687
 688   ## Suns
 689   sparc-*-linux-gnu* )
 690     machine=sparc opsys=gnu-linux
 691   ;;
 692
 693   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 694     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 695     | rs6000-*-solaris2*)
 696     case "${canonical}" in
 697       m68*-sunos1* )    machine=sun1 ;;
 698       m68*-sunos2* )    machine=sun2 ;;
 699       m68* )            machine=sun3 ;;
 700       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 701       i[3456]86-*-* )     machine=intel386 ;;
 702       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 703       sparc* )          machine=sparc ;;
 704       * )               unported=yes ;;
 705     esac
 706     case "${canonical}" in
 707       ## The Sun386 didn't get past 4.0.
 708       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 709       *-sunos4.0*         ) opsys=sunos4-0 ;;
 710       *-sunos4.1.[3-9]* | *-sunos4shr*)
 711                 opsys=sunos4shr
 712                 NON_GNU_CPP=/usr/lib/cpp
 713                 ;;
 714       *-sunos4.1.[3-9]*noshare )
 715                 opsys=sunos4-1-3
 716                 NON_GNU_CPP=/usr/lib/cpp
 717                 NON_GCC_TEST_OPTIONS=-Bstatic
 718                 GCC_TEST_OPTIONS=-static
 719                 ;;
 720       *-sunos4* | *-sunos )
 721                 opsys=sunos4-1
 722                 NON_GCC_TEST_OPTIONS=-Bstatic
 723                 GCC_TEST_OPTIONS=-static
 724                 ;;
 725       *-sunos5.3* | *-solaris2.3* )
 726                 opsys=sol2-3
 727                 NON_GNU_CPP=/usr/ccs/lib/cpp
 728                 ;;
 729       *-sunos5.4* | *-solaris2.4* )
 730                 opsys=sol2-4
 731                 NON_GNU_CPP=/usr/ccs/lib/cpp
 732                 RANLIB="ar -ts"
 733                 ;;
 734       *-sunos5.5* | *-solaris2.5* )
 735                 opsys=sol2-5
 736                 NON_GNU_CPP=/usr/ccs/lib/cpp
 737                 RANLIB="ar -ts"
 738                 ;;
 739       *-sunos5* | *-solaris* )
 740                 opsys=sol2-4
 741                 NON_GNU_CPP=/usr/ccs/lib/cpp
 742                 ;;
 743       *                   ) opsys=bsd4-2   ;;
 744     esac
 745     ## Watch out for a compiler that we know will not work.
 746     case "${canonical}" in
 747      *-solaris* | *-sunos5* )
 748                 if [ "x$CC" = x/usr/ucb/cc ]; then
 749                   ## /usr/ucb/cc doesn't work;
 750                   ## we should find some other compiler that does work.
 751                   unset CC
 752                 fi
 753                 ;;
 754       *) ;;
 755     esac
 756   ;;
 757   sparc-*-nextstep* )
 758     machine=sparc opsys=nextstep
 759   ;;
 760
 761   ## Tadpole 68k
 762   m68*-tadpole-sysv* )
 763     machine=tad68k opsys=usg5-3
 764   ;;
 765
 766   ## Tahoe machines
 767   tahoe-tahoe-bsd4.2* )
 768     machine=tahoe opsys=bsd4-2
 769   ;;
 770   tahoe-tahoe-bsd4.3* )
 771     machine=tahoe opsys=bsd4-3
 772   ;;
 773
 774   ## Tandem Integrity S2
 775   mips-tandem-sysv* )
 776     machine=tandem-s2 opsys=usg5-3
 777   ;;
 778
 779   ## Tektronix XD88
 780   m88k-tektronix-sysv3* )
 781   machine=tekxd88 opsys=usg5-3
 782   ;;
 783
 784   ## Tektronix 16000 box (6130?)
 785   ns16k-tektronix-bsd* )
 786     machine=ns16000 opsys=bsd4-2
 787   ;;
 788   ## Tektronix 4300
 789   ## src/m/tek4300.h hints that this is a m68k machine.
 790   m68*-tektronix-bsd* )
 791     machine=tek4300 opsys=bsd4-3
 792   ;;
 793
 794   ## Titan P2 or P3
 795   ## We seem to have lost the machine-description file titan.h!
 796   titan-titan-sysv* )
 797     machine=titan opsys=usg5-3
 798   ;;
 799
 800   ## Ustation E30 (SS5E)
 801   m68*-unisys-uniplus* )
 802     machine=ustation opsystem=unipl5-2
 803   ;;
 804
 805   ## Vaxen.
 806   vax-dec-* )
 807     machine=vax
 808     case "${canonical}" in
 809       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 810       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 811       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 812       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 813       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 814       *-vms* )                                          opsys=vms ;;
 815       * )                                               unported=yes
 816     esac
 817   ;;
 818
 819   ## Whitechapel MG1
 820   ns16k-whitechapel-* )
 821     machine=mg1
 822     ## We don't know what sort of OS runs on these; we'll let the
 823     ## operating system guessing code below try.
 824   ;;
 825
 826   ## Wicat
 827   m68*-wicat-sysv* )
 828     machine=wicat opsys=usg5-2
 829   ;;
 830
 831   ## Intel 386 machines where we don't care about the manufacturer
 832   i[3456]86-*-* )
 833     machine=intel386
 834     case "${canonical}" in
 835       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 836       *-isc2.2* )               opsys=isc2-2 ;;
 837       *-isc4.0* )               opsys=isc4-0 ;;
 838       *-isc4.* )                opsys=isc4-1
 839                                 GCC_TEST_OPTIONS=-posix
 840                                 NON_GCC_TEST_OPTIONS=-Xp
 841                                 ;;
 842       *-isc* )                  opsys=isc3-0 ;;
 843       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 844       *-esix* )                 opsys=esix ;;
 845       *-xenix* )                opsys=xenix ;;
 846       *-linux-gnu* )            opsys=gnu-linux ;;
 847       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 848       *-sco3.2v5* )             opsys=sco5
 849                                 NON_GNU_CPP=/lib/cpp
 850                                 # Prevent -belf from being passed to $CPP.
 851                                 # /lib/cpp does not accept it.
 852                                 OVERRIDE_CPPFLAGS=
 853                                 ;;
 854       *-bsd386* | *-bsdi1* )    opsys=bsd386 ;;
 855       *-bsdi2.0* )              opsys=bsdos2 ;;
 856       *-bsdi2* )                opsys=bsdos2-1 ;;
 857       *-386bsd* )               opsys=386bsd ;;
 858       *-freebsd* )              opsys=freebsd ;;
 859       *-nextstep* )             opsys=nextstep ;;
 860       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 861     esac
 862   ;;
 863
 864   ## Linux/68k-based GNU system
 865   m68k-*-linux-gnu* )
 866     machine=m68k opsys=gnu-linux
 867   ;;
 868
 869   * )
 870     unported=yes
 871   ;;
 872 esac
 873
 874 ### If the code above didn't choose an operating system, just choose
 875 ### an operating system based on the configuration name.  You really
 876 ### only want to use this when you have no idea what the right
 877 ### operating system is; if you know what operating systems a machine
 878 ### runs, it's cleaner to make it explicit in the case statement
 879 ### above.
 880 if test x"${opsys}" = x; then
 881   case "${canonical}" in
 882     *-gnu* )                            opsys=gnu ;;
 883     *-bsd4.[01] )                       opsys=bsd4-1 ;;
 884     *-bsd4.2 )                          opsys=bsd4-2 ;;
 885     *-bsd4.3 )                          opsys=bsd4-3 ;;
 886     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
 887     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
 888     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
 889     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
 890     *-sysv4.1* | *-sysvr4.1* )
 891         NON_GNU_CPP=/usr/lib/cpp
 892         opsys=usg5-4 ;;
 893     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
 894         if [ x$NON_GNU_CPP = x ]; then
 895           if [ -f /usr/ccs/lib/cpp ]; then
 896             NON_GNU_CPP=/usr/ccs/lib/cpp
 897           else
 898             NON_GNU_CPP=/lib/cpp
 899           fi
 900         fi
 901         opsys=usg5-4-2 ;;
 902     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
 903     * )
 904       unported=yes
 905     ;;
 906   esac
 907 fi
 908
 909 if test "x$RANLIB" = x; then
 910   RANLIB=ranlib
 911 fi
 912
 913 changequote([, ])dnl
 914
 915 if test $unported = yes; then
 916   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
 917 Check \`etc/MACHINES' for recognized configuration names.])
 918 fi
 919
 920 machfile="m/${machine}.h"
 921 opsysfile="s/${opsys}.h"
 922
 923
 924 #### Choose a compiler.
 925 test -n "$CC" && cc_specified=yes
 926
 927 # Save the value of CFLAGS that the user specified.
 928 SPECIFIED_CFLAGS="$CFLAGS"
 929
 930 case ${with_gcc} in
 931   "yes" ) CC="gcc" GCC=yes ;;
 932   "no"  ) : ${CC=cc} ;;
 933   * ) AC_PROG_CC
 934 esac
 935
 936 # On Suns, sometimes $CPP names a directory.
 937 if test -n "$CPP" && test -d "$CPP"; then
 938   CPP=
 939 fi
 940
 941 #### Some systems specify a CPP to use unless we are using GCC.
 942 #### Now that we know whether we are using GCC, we can decide whether
 943 #### to use that one.
 944 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
 945 then
 946   CPP="$NON_GNU_CPP"
 947 fi
 948
 949 #### Some systems specify a CC to use unless we are using GCC.
 950 #### Now that we know whether we are using GCC, we can decide whether
 951 #### to use that one.
 952 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
 953   test x$cc_specified != xyes
 954 then
 955   CC="$NON_GNU_CC"
 956 fi
 957
 958 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
 959 then
 960   CC="$CC $GCC_TEST_OPTIONS"
 961 fi
 962
 963 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
 964 then
 965   CC="$CC $NON_GCC_TEST_OPTIONS"
 966 fi
 967
 968 #### Some other nice autoconf tests.  If you add a test here which
 969 #### should make an entry in src/config.h, don't forget to add an
 970 #### #undef clause to src/config.h.in for autoconf to modify.
 971
 972 dnl checks for programs
 973 AC_PROG_LN_S
 974 AC_PROG_CPP
 975 AC_PROG_INSTALL
 976 AC_PROG_YACC
 977
 978 dnl checks for Unix variants
 979 AC_AIX
 980
 981 dnl checks for header files
 982 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h linux/version.h termios.h)
 983 AC_HEADER_STDC
 984 AC_HEADER_TIME
 985 AC_DECL_SYS_SIGLIST
 986
 987 dnl Some systems have utime.h but don't declare the struct anyplace.
 988 AC_MSG_CHECKING(for struct utimbuf)
 989 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
 990 #include <sys/time.h>
 991 #include <time.h>
 992 #else
 993 #ifdef HAVE_SYS_TIME_H
 994 #include <sys/time.h>
 995 #else
 996 #include <time.h>
 997 #endif
 998 #endif
 999 #ifdef HAVE_UTIME_H
1000 #include <utime.h>
1001 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1002   [AC_MSG_RESULT(yes)
1003    AC_DEFINE(HAVE_STRUCT_UTIMBUF)],
1004   AC_MSG_RESULT(no))
1005
1006 dnl checks for typedefs
1007 AC_TYPE_SIGNAL
1008
1009 AC_MSG_CHECKING(for struct timeval)
1010 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1011 #include <sys/time.h>
1012 #include <time.h>
1013 #else
1014 #ifdef HAVE_SYS_TIME_H
1015 #include <sys/time.h>
1016 #else
1017 #include <time.h>
1018 #endif
1019 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1020   [AC_MSG_RESULT(yes)
1021    HAVE_TIMEVAL=yes
1022    AC_DEFINE(HAVE_TIMEVAL)],
1023   [AC_MSG_RESULT(no)
1024    HAVE_TIMEVAL=no])
1025
1026 dnl checks for structure members
1027 AC_STRUCT_TM
1028 AC_STRUCT_TIMEZONE
1029
1030 dnl checks for compiler characteristics
1031 AC_C_CONST
1032
1033 dnl check for Make feature
1034 AC_PROG_MAKE_SET
1035
1036 dnl checks for operating system services
1037 AC_SYS_LONG_FILE_NAMES
1038
1039 #### Choose a window system.
1040
1041 AC_PATH_X
1042 if test "$no_x" = yes; then
1043   window_system=none
1044 else
1045   window_system=x11
1046 fi
1047
1048 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1049   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1050   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1051 fi
1052 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1053   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1054 fi
1055
1056 if test x"${x_includes}" = x; then
1057   bitmapdir=/usr/include/X11/bitmaps
1058 else
1059   # accumulate include directories that have X11 bitmap subdirectories
1060   bmd_acc="dummyval"
1061   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1062     if test -d "${bmd}/X11/bitmaps"; then
1063       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1064     elif test -d "${bmd}/bitmaps"; then
1065       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1066     fi
1067   done
1068   if test ${bmd_acc} != "dummyval"; then
1069     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1070   fi
1071 fi
1072
1073 case "${window_system}" in
1074   x11 )
1075     HAVE_X_WINDOWS=yes
1076     HAVE_X11=yes
1077     case "${with_x_toolkit}" in
1078       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1079       motif ) USE_X_TOOLKIT=MOTIF ;;
1080 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1081       no ) USE_X_TOOLKIT=none ;;
1082 dnl If user did not say whether to use a toolkit,
1083 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1084       * ) USE_X_TOOLKIT=maybe ;;
1085     esac
1086   ;;
1087   none )
1088     HAVE_X_WINDOWS=no
1089     HAVE_X11=no
1090     USE_X_TOOLKIT=none
1091   ;;
1092 esac
1093
1094 ### If we're using X11, we should use the X menu package.
1095 HAVE_MENUS=no
1096 case ${HAVE_X11} in
1097   yes ) HAVE_MENUS=yes ;;
1098 esac
1099
1100 if test "${opsys}" = "hpux9"; then
1101   case "${x_libraries}" in
1102     *X11R4* )
1103       opsysfile="s/hpux9-x11r4.h"
1104       ;;
1105   esac
1106 fi
1107
1108 if test "${opsys}" = "hpux9shr"; then
1109   case "${x_libraries}" in
1110     *X11R4* )
1111       opsysfile="s/hpux9shxr4.h"
1112       ;;
1113   esac
1114 fi
1115
1116 #### Extract some information from the operating system and machine files.
1117
1118 AC_CHECKING([the machine- and system-dependent files to find out
1119  - which libraries the lib-src programs will want, and
1120  - whether the GNU malloc routines are usable])
1121
1122 ### First figure out CFLAGS (which we use for running the compiler here)
1123 ### and REAL_CFLAGS (which we use for real compilation).
1124 ### The two are the same except on a few systems, where they are made
1125 ### different to work around various lossages.  For example,
1126 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1127 ### as implying static linking.
1128
1129 ### If the CFLAGS env var is specified, we use that value
1130 ### instead of the default.
1131
1132 ### It's not important that this name contain the PID; you can't run
1133 ### two configures in the same directory and have anything work
1134 ### anyway.
1135 tempcname="conftest.c"
1136
1137 echo '
1138 #include "'${srcdir}'/src/'${opsysfile}'"
1139 #include "'${srcdir}'/src/'${machfile}'"
1140 #ifndef LIBS_MACHINE
1141 #define LIBS_MACHINE
1142 #endif
1143 #ifndef LIBS_SYSTEM
1144 #define LIBS_SYSTEM
1145 #endif
1146 #ifndef C_SWITCH_SYSTEM
1147 #define C_SWITCH_SYSTEM
1148 #endif
1149 #ifndef C_SWITCH_MACHINE
1150 #define C_SWITCH_MACHINE
1151 #endif
1152 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1153 configure___ c_switch_system=C_SWITCH_SYSTEM
1154 configure___ c_switch_machine=C_SWITCH_MACHINE
1155
1156 #ifndef LIB_X11_LIB
1157 #define LIB_X11_LIB -lX11
1158 #endif
1159
1160 #ifndef LIBX11_MACHINE
1161 #define LIBX11_MACHINE
1162 #endif
1163
1164 #ifndef LIBX11_SYSTEM
1165 #define LIBX11_SYSTEM
1166 #endif
1167 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1168
1169 #ifdef UNEXEC
1170 configure___ unexec=UNEXEC
1171 #else
1172 configure___ unexec=unexec.o
1173 #endif
1174
1175 #ifdef SYSTEM_MALLOC
1176 configure___ system_malloc=yes
1177 #else
1178 configure___ system_malloc=no
1179 #endif
1180
1181 #ifndef C_DEBUG_SWITCH
1182 #define C_DEBUG_SWITCH -g
1183 #endif
1184
1185 #ifndef C_OPTIMIZE_SWITCH
1186 #define C_OPTIMIZE_SWITCH -O
1187 #endif
1188
1189 #ifdef THIS_IS_CONFIGURE
1190
1191 /* Get the CFLAGS for tests in configure.  */
1192 #ifdef __GNUC__
1193 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1194 #else
1195 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1196 #endif
1197
1198 #else /* not THIS_IS_CONFIGURE */
1199
1200 /* Get the CFLAGS for real compilation.  */
1201 #ifdef __GNUC__
1202 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1203 #else
1204 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1205 #endif
1206
1207 #endif /* not THIS_IS_CONFIGURE */
1208 ' > ${tempcname}
1209
1210 # The value of CPP is a quoted variable reference, so we need to do this
1211 # to get its actual value...
1212 CPP=`eval "echo $CPP"`
1213 changequote(, )dnl
1214 eval `${CPP} -Isrc ${tempcname} \
1215        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1216 if test "x$SPECIFIED_CFLAGS" = x; then
1217   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1218          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1219 else
1220   REAL_CFLAGS="$CFLAGS"
1221 fi
1222 changequote([, ])dnl
1223 rm ${tempcname}
1224
1225 ### Compute the unexec source name from the object name.
1226 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1227
1228 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1229 # Assume not, until told otherwise.
1230 GNU_MALLOC=yes
1231 if test "${system_malloc}" = "yes"; then
1232   GNU_MALLOC=no
1233   GNU_MALLOC_reason="
1234   (The GNU allocators don't work with this system configuration.)"
1235 fi
1236
1237 if test x"${REL_ALLOC}" = x; then
1238   REL_ALLOC=${GNU_MALLOC}
1239 fi
1240
1241 LISP_FLOAT_TYPE=yes
1242
1243
1244 #### Add the libraries to LIBS and check for some functions.
1245
1246 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1247   CPPFLAGS="$(OVERRIDE_CPPFLAGS)"
1248 else
1249   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1250 fi
1251
1252 LIBS="$libsrc_libs $LIBS"
1253
1254 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1255 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1256 AC_CHECK_LIB(dnet, dnet_ntoa)
1257 dnl This causes -lresolv to get used in subsequent tests,
1258 dnl which causes failures on some systems such as HPUX 9.
1259 dnl AC_CHECK_LIB(resolv, gethostbyname)
1260
1261 dnl FIXME replace main with a function we actually want from this library.
1262 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1263
1264 AC_CHECK_LIB(pthreads, cma_open)
1265
1266 AC_MSG_CHECKING(for XFree86)
1267 if test -d /usr/X386/include; then
1268   HAVE_XFREE386=yes
1269   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1270 else
1271   HAVE_XFREE386=no
1272 fi
1273 AC_MSG_RESULT($HAVE_XFREE386)
1274
1275 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1276 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1277
1278 if test "${HAVE_X11}" = "yes"; then
1279   DEFS="$C_SWITCH_X_SITE $DEFS"
1280   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1281   LIBS="$LIBX $LIBS"
1282   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1283
1284   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1285   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1286   # but it's more convenient here to set LD_RUN_PATH
1287   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1288   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1289     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1290     export LD_RUN_PATH
1291   fi
1292
1293   if test "${opsys}" = "gnu-linux"; then
1294     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1295     AC_TRY_LINK([],
1296      [XOpenDisplay ("foo");],
1297      [xlinux_first_failure=no],
1298      [xlinux_first_failure=yes])
1299     if test "${xlinux_first_failure}" = "yes"; then
1300       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1301       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1302       OLD_CPPFLAGS="$CPPFLAGS"
1303       OLD_LIBS="$LIBS"
1304       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1305       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1306       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1307       LIBS="$LIBS -b i486-linuxaout"
1308       AC_TRY_LINK([],
1309        [XOpenDisplay ("foo");],
1310        [xlinux_second_failure=no],
1311        [xlinux_second_failure=yes])
1312       if test "${xlinux_second_failure}" = "yes"; then
1313         # If we get the same failure with -b, there is no use adding -b.
1314         # So take it out.  This plays safe.
1315         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1316         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1317         CPPFLAGS="$OLD_CPPFLAGS"
1318         LIBS="$OLD_LIBS"
1319         AC_MSG_RESULT(no)
1320       else
1321         AC_MSG_RESULT(yes)
1322       fi
1323     else
1324       AC_MSG_RESULT(no)
1325     fi
1326   fi
1327
1328   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1329 XScreenNumberOfScreen XSetWMProtocols)
1330 fi
1331
1332 if test "${window_system}" = "x11"; then
1333   AC_MSG_CHECKING(X11 version 6)
1334   AC_TRY_LINK([#include <X11/Xlib.h>],
1335 [#if XlibSpecificationRelease < 6
1336 fail;
1337 #endif
1338 ], [AC_MSG_RESULT(6 or newer)
1339     AC_DEFINE(HAVE_X11R6)],
1340    [AC_MSG_RESULT(before 6)])
1341 fi
1342
1343 if test "${window_system}" = "x11"; then
1344   AC_MSG_CHECKING(X11 version 5)
1345   AC_TRY_LINK([#include <X11/Xlib.h>],
1346 [#if XlibSpecificationRelease < 5
1347 fail;
1348 #endif
1349 ], [AC_MSG_RESULT(5 or newer)
1350     HAVE_X11R5=yes
1351     AC_DEFINE(HAVE_X11R5)],
1352    [
1353     HAVE_X11R5=no
1354     AC_MSG_RESULT(before 5)])
1355 fi
1356
1357 dnl Do not put whitespace before the #include statements below.
1358 dnl Older compilers (eg sunos4 cc) choke on it.
1359 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1360   if test x"${HAVE_X11R5}" = xyes; then
1361     AC_MSG_CHECKING(X11 version 5 with Xaw)
1362     AC_TRY_LINK([
1363 #include <X11/Intrinsic.h>
1364 #include <X11/Xaw/Simple.h>],
1365       [],
1366       [AC_MSG_RESULT(5 or newer, with Xaw; use toolkit by default)
1367        USE_X_TOOLKIT=LUCID],
1368       [AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1369        USE_X_TOOLKIT=none])
1370   else
1371     USE_X_TOOLKIT=none
1372   fi
1373 fi
1374
1375 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1376
1377 if test "${USE_X_TOOLKIT}" != "none"; then
1378   AC_MSG_CHECKING(X11 toolkit version)
1379   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1380 [#if XtSpecificationRelease < 6
1381 fail;
1382 #endif
1383 ], [AC_MSG_RESULT(6 or newer)
1384     HAVE_X11XTR6=yes
1385     AC_DEFINE(HAVE_X11XTR6)],
1386    [AC_MSG_RESULT(before 6)
1387     HAVE_X11XTR6=no])
1388
1389 dnl If using toolkit, check whether libXmu.a exists.
1390 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1391   OLDLIBS="$LIBS"
1392   if test x$HAVE_X11XTR6 = xyes; then
1393     LIBS="-lXt -lSM -lICE $LIBS"
1394   else
1395     LIBS="-lXt $LIBS"
1396   fi
1397   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1398   LIBS="$OLDLIBS"
1399 fi
1400
1401 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1402 AC_MSG_CHECKING(whether netdb declares h_errno)
1403 AC_TRY_LINK([#include <netdb.h>],
1404   [return h_errno;],
1405   [AC_MSG_RESULT(yes)
1406    AC_DEFINE(HAVE_H_ERRNO)],
1407   [AC_MSG_RESULT(no)])
1408
1409 AC_FUNC_ALLOCA
1410
1411 # fmod, logb, and frexp are found in -lm on most systems.
1412 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1413 AC_CHECK_LIB(m, sqrt)
1414
1415 AC_CHECK_FUNCS(gettimeofday gethostname dup2 rename closedir mkdir rmdir \
1416 random lrand48 bcopy bcmp logb frexp fmod ftime res_init setsid \
1417 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale)
1418
1419 # Check this now, so that we will NOT find the above functions in ncurses.
1420 # That is because we have not set up to link ncurses in lib-src.
1421 # It's better to believe a function is not available
1422 # than to expect to find it in ncurses.
1423 AC_CHECK_LIB(ncurses, tparm)
1424
1425 AC_MSG_CHECKING(whether localtime caches TZ)
1426 AC_CACHE_VAL(emacs_cv_localtime_cache,
1427 [if test x$ac_cv_func_tzset = xyes; then
1428 AC_TRY_RUN([#include <time.h>
1429 #if STDC_HEADERS
1430 # include <stdlib.h>
1431 #endif
1432 extern char **environ;
1433 unset_TZ ()
1434 {
1435   char **from, **to;
1436   for (to = from = environ; (*to = *from); from++)
1437     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1438       to++;
1439 }
1440 main()
1441 {
1442   time_t now = time ((time_t *) 0);
1443   int hour_GMT0, hour_unset;
1444   if (putenv ("TZ=GMT0") != 0)
1445     exit (1);
1446   hour_GMT0 = localtime (&now)->tm_hour;
1447   unset_TZ ();
1448   hour_unset = localtime (&now)->tm_hour;
1449   if (putenv ("TZ=PST8") != 0)
1450     exit (1);
1451   if (localtime (&now)->tm_hour == hour_GMT0)
1452     exit (1);
1453   unset_TZ ();
1454   if (localtime (&now)->tm_hour != hour_unset)
1455     exit (1);
1456   exit (0);
1457 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1458 [# If we have tzset, assume the worst when cross-compiling.
1459 emacs_cv_localtime_cache=yes])
1460 else
1461         # If we lack tzset, report that localtime does not cache TZ,
1462         # since we can't invalidate the cache if we don't have tzset.
1463         emacs_cv_localtime_cache=no
1464 fi])dnl
1465 AC_MSG_RESULT($emacs_cv_localtime_cache)
1466 if test $emacs_cv_localtime_cache = yes; then
1467   AC_DEFINE(LOCALTIME_CACHE)
1468 fi
1469
1470 if test "x$HAVE_TIMEVAL" = xyes; then
1471 AC_MSG_CHECKING(whether gettimeofday can't accept two arguments)
1472 AC_TRY_LINK([
1473 #ifdef TIME_WITH_SYS_TIME
1474 #include <sys/time.h>
1475 #include <time.h>
1476 #else
1477 #ifdef HAVE_SYS_TIME_H
1478 #include <sys/time.h>
1479 #else
1480 #include <time.h>
1481 #endif
1482 #endif
1483   ],
1484   [
1485   struct timeval time;
1486   struct timezone dummy;
1487   gettimeofday (&time, &dummy);
1488 ],
1489   [AC_MSG_RESULT(no)],
1490   [AC_MSG_RESULT(yes)
1491    AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)])
1492 fi
1493
1494 ok_so_far=yes
1495 AC_CHECK_FUNC(socket, , ok_so_far=no)
1496 if test $ok_so_far = yes; then
1497   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1498 fi
1499 if test $ok_so_far = yes; then
1500   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1501 fi
1502 if test $ok_so_far = yes; then
1503   AC_DEFINE(HAVE_INET_SOCKETS)
1504 fi
1505
1506 if test -f /usr/lpp/X11/bin/smt.exp; then
1507   AC_DEFINE(HAVE_AIX_SMT_EXP)
1508 fi
1509
1510 # Set up the CFLAGS for real compilation, so we can substitute it.
1511 CFLAGS="$REAL_CFLAGS"
1512
1513 changequote(, )dnl
1514 #### Find out which version of Emacs this is.
1515 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1516          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1517 changequote([, ])dnl
1518 if test x"${version}" = x; then
1519   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1520 fi
1521
1522 ### Specify what sort of things we'll be editing into Makefile and config.h.
1523 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1524 AC_SUBST(version)
1525 AC_SUBST(configuration)
1526 AC_SUBST(canonical)
1527 AC_SUBST(srcdir)
1528 AC_SUBST(prefix)
1529 AC_SUBST(exec_prefix)
1530 AC_SUBST(bindir)
1531 AC_SUBST(datadir)
1532 AC_SUBST(sharedstatedir)
1533 AC_SUBST(libexecdir)
1534 AC_SUBST(mandir)
1535 AC_SUBST(infodir)
1536 AC_SUBST(lispdir)
1537 AC_SUBST(locallisppath)
1538 AC_SUBST(lisppath)
1539 AC_SUBST(etcdir)
1540 AC_SUBST(lockdir)
1541 AC_SUBST(archlibdir)
1542 AC_SUBST(docdir)
1543 AC_SUBST(bitmapdir)
1544 AC_SUBST(c_switch_system)
1545 AC_SUBST(c_switch_machine)
1546 AC_SUBST(LD_SWITCH_X_SITE)
1547 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1548 AC_SUBST(C_SWITCH_X_SITE)
1549 AC_SUBST(CFLAGS)
1550 AC_SUBST(X_TOOLKIT_TYPE)
1551 AC_SUBST(machfile)
1552 AC_SUBST(opsysfile)
1553 AC_SUBST(RANLIB)
1554
1555 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1556 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1557 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1558 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1559 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1560 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1561 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1562 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1563
1564 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1565   AC_DEFINE(HAVE_X_WINDOWS)
1566 fi
1567 if test "${USE_X_TOOLKIT}" != "none" ; then
1568   AC_DEFINE(USE_X_TOOLKIT)
1569 fi
1570 if test "${HAVE_X11}" = "yes" ; then
1571   AC_DEFINE(HAVE_X11)
1572 fi
1573 if test "${HAVE_XFREE386}" = "yes" ; then
1574   AC_DEFINE(HAVE_XFREE386)
1575 fi
1576 if test "${HAVE_MENUS}" = "yes" ; then
1577   AC_DEFINE(HAVE_MENUS)
1578 fi
1579 if test "${GNU_MALLOC}" = "yes" ; then
1580   AC_DEFINE(GNU_MALLOC)
1581 fi
1582 if test "${REL_ALLOC}" = "yes" ; then
1583   AC_DEFINE(REL_ALLOC)
1584 fi
1585 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1586   AC_DEFINE(LISP_FLOAT_TYPE)
1587 fi
1588
1589 #### Report on what we decided to do.
1590 echo "
1591 Configured for \`${canonical}'.
1592
1593   Where should the build process find the source code?    ${srcdir}
1594   What operating system and machine description files should Emacs use?
1595         \`${opsysfile}' and \`${machfile}'
1596   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1597   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1598   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1599   What window system should Emacs use?                    ${window_system}
1600   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
1601
1602 if test -n "${x_includes}"; then
1603 echo "  Where do we find X Windows header files?                ${x_includes}"
1604 else
1605 echo "  Where do we find X Windows header files?                Standard dirs"
1606 fi
1607 if test -n "${x_libraries}"; then
1608 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
1609 else
1610 echo "  Where do we find X Windows libraries?                   Standard dirs"
1611 fi
1612
1613 echo
1614
1615 # Remove any trailing slashes in these variables.
1616 changequote(, )dnl
1617 test "${prefix}" != NONE &&
1618   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1619 test "${exec_prefix}" != NONE &&
1620   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1621 changequote([, ])dnl
1622
1623 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1624         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in, [
1625
1626 ### Make the necessary directories, if they don't exist.
1627 for dir in cpp etc ; do
1628   test -d ${dir} || mkdir ${dir}
1629 done
1630
1631 # Build src/Makefile from ${srcdir}/src/Makefile.c
1632 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1633 # This must be done after src/config.h is built, since we rely on that file.
1634
1635 changequote(, )dnl The horror, the horror.
1636 # Now get this: Some word that is part of the ${srcdir} directory name
1637 # or the ${configuration} value might, just might, happen to be an
1638 # identifier like `sun4' or `i386' or something, and be predefined by
1639 # the C preprocessor to some helpful value like 1, or maybe the empty
1640 # string.  Needless to say consequent macro substitutions are less
1641 # than conducive to the makefile finding the correct directory.
1642 undefs="`echo $top_srcdir $configuration $canonical |
1643 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
1644     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1645 `"
1646 changequote([, ])dnl
1647
1648 echo creating lib-src/Makefile
1649 ( cd lib-src
1650   rm -f junk.c junk1.c junk2.c
1651   sed -e '/start of cpp stuff/q' \
1652       < Makefile.c > junk1.c
1653   sed -e '1,/start of cpp stuff/d'\
1654       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1655       < Makefile.c > junk.c
1656   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1657       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1658   cat junk1.c junk2.c > Makefile.new
1659   rm -f junk.c junk1.c junk2.c
1660   chmod 444 Makefile.new
1661   mv -f Makefile.new Makefile
1662 )
1663
1664 echo creating src/Makefile
1665 ( cd src
1666   rm -f junk.c junk1.c junk2.c
1667   sed -e '/start of cpp stuff/q' \
1668       < Makefile.c > junk1.c
1669   sed -e '1,/start of cpp stuff/d'\
1670       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1671       < Makefile.c > junk.c
1672   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1673       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1674   cat junk1.c junk2.c > Makefile.new
1675   rm -f junk.c junk1.c junk2.c
1676   chmod 444 Makefile.new
1677   mv -f Makefile.new Makefile
1678 )
1679
1680 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
1681   echo creating src/.gdbinit
1682   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
1683 fi
1684
1685 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])