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 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(2.4.1)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/${version}/etc'
  36
  37 AC_ARG_WITH(gcc,
  38 [  --with-gcc              use GCC to compile Emacs])
  39 AC_ARG_WITH(pop,
  40 [  --with-pop              support POP for mail retrieval],
  41 [AC_DEFINE(MAIL_USE_POP)])
  42 AC_ARG_WITH(kerberos,
  43 [  --with-kerberos         support Kerberos-authenticated POP],
  44 [AC_DEFINE(KERBEROS)])
  45 AC_ARG_WITH(hesiod,
  46 [  --with-hesiod           support Hesiod to get the POP server host],
  47 [AC_DEFINE(HESIOD)])
  48 dnl This should be the last --with option, because --with-x is
  49 dnl added later on when we find the path of X, and it's best to
  50 dnl keep them together visually.
  51 AC_ARG_WITH(x-toolkit,
  52 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif)],
  53 [         case "${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 $(srcdir)'
 113 fi
 114
 115 #### Given the configuration name, set machfile and opsysfile to the
 116 #### names of the m/*.h and s/*.h files we should use.
 117
 118 ### Canonicalize the configuration name.
 119
 120 AC_CANONICAL_HOST
 121 canonical=$host
 122 configuration=$host_alias
 123
 124 changequote(, )dnl
 125
 126 ### If you add support for a new configuration, add code to this
 127 ### switch statement to recognize your configuration name and select
 128 ### the appropriate operating system and machine description files.
 129
 130 ### You would hope that you could choose an m/*.h file pretty much
 131 ### based on the machine portion of the configuration name, and an s-
 132 ### file based on the operating system portion.  However, it turns out
 133 ### that each m/*.h file is pretty manufacturer-specific - for
 134 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 135 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 136 ### machines.  So we basically have to have a special case for each
 137 ### configuration name.
 138 ###
 139 ### As far as handling version numbers on operating systems is
 140 ### concerned, make sure things will fail in a fixable way.  If
 141 ### /etc/MACHINES doesn't say anything about version numbers, be
 142 ### prepared to handle anything reasonably.  If version numbers
 143 ### matter, be sure /etc/MACHINES says something about it.
 144 ###
 145 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 146 ### "System V Release 4"; he writes, "The old convention encouraged
 147 ### confusion between `system' and `release' levels'."
 148
 149 machine='' opsys='' unported=no
 150 case "${canonical}" in
 151
 152   ## NetBSD ports
 153   *-*-netbsd* )
 154     opsys=netbsd
 155     case "${canonical}" in
 156       i[345]86-*-netbsd*) machine=intel386 ;;
 157       m68k-*-netbsd*)
 158                         # This is somewhat bogus.
 159                         machine=hp9000s300 ;;
 160       mips-*-netbsd*)   machine=pmax ;;
 161       ns32k-*-netbsd*)  machine=ns32000 ;;
 162       sparc-*-netbsd*)  machine=sparc ;;
 163     esac
 164   ;;
 165
 166   ## Acorn RISCiX:
 167   arm-acorn-riscix1.1* )
 168     machine=acorn opsys=riscix1-1
 169   ;;
 170   arm-acorn-riscix1.2* | arm-acorn-riscix )
 171     machine=acorn opsys=riscix1-2
 172   ;;
 173
 174   ## Alliant machines
 175   ## Strictly speaking, we need the version of the alliant operating
 176   ## system to choose the right machine file, but currently the
 177   ## configuration name doesn't tell us enough to choose the right
 178   ## one; we need to give alliants their own operating system name to
 179   ## do this right.  When someone cares, they can help us.
 180   fx80-alliant-* )
 181     machine=alliant4 opsys=bsd4-2
 182   ;;
 183   i860-alliant-* )
 184     machine=alliant-2800 opsys=bsd4-3
 185   ;;
 186
 187   ## Alpha (DEC) machines.
 188   alpha-dec-osf* )
 189     machine=alpha opsys=osf1
 190   ;;
 191
 192   alpha-*-linux* )
 193     machine=alpha opsys=linux
 194   ;;
 195
 196   ## Altos 3068
 197   m68*-altos-sysv* )
 198     machine=altos opsys=usg5-2
 199   ;;
 200
 201   ## Amdahl UTS
 202   580-amdahl-sysv* )
 203     machine=amdahl opsys=usg5-2-2
 204   ;;
 205
 206   ## Apollo, Domain/OS
 207   m68*-apollo-* )
 208     machine=apollo opsys=bsd4-3
 209   ;;
 210
 211   ## AT&T 3b2, 3b5, 3b15, 3b20
 212   we32k-att-sysv* )
 213     machine=att3b opsys=usg5-2-2
 214   ;;
 215
 216   ## AT&T 3b1 - The Mighty Unix PC!
 217   m68*-att-sysv* )
 218     machine=7300 opsys=usg5-2-2
 219   ;;
 220
 221   ## Bull dpx20
 222   rs6000-bull-bosx* )
 223     machine=ibmrs6000 opsys=aix3-2
 224   ;;
 225
 226   ## Bull dpx2
 227   m68*-bull-sysv3* )
 228     machine=dpx2 opsys=usg5-3
 229   ;;
 230
 231   ## Bull sps7
 232   m68*-bull-sysv2* )
 233     machine=sps7 opsys=usg5-2
 234   ;;
 235
 236   ## CCI 5/32, 6/32 -- see "Tahoe".
 237
 238   ## Celerity
 239   ## I don't know what configuration name to use for this; config.sub
 240   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 241   ## in touch with us!
 242   celerity-celerity-bsd* )
 243     machine=celerity opsys=bsd4-2
 244   ;;
 245
 246   ## Clipper
 247   ## What operating systems does this chip run that Emacs has been
 248   ## tested on?
 249   clipper-* )
 250     machine=clipper
 251     ## We'll use the catch-all code at the bottom to guess the
 252     ## operating system.
 253   ;;
 254
 255   ## Convex
 256   *-convex-bsd* | *-convex-convexos* )
 257     machine=convex opsys=bsd4-3
 258     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 259     NON_GNU_CPP="cc -E -P"
 260   ;;
 261
 262   ## Cubix QBx/386
 263   i[345]86-cubix-sysv* )
 264     machine=intel386 opsys=usg5-3
 265   ;;
 266
 267   ## Cydra 5
 268   cydra*-cydrome-sysv* )
 269     machine=cydra5 opsys=usg5-3
 270   ;;
 271
 272   ## Data General AViiON Machines
 273   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 274     machine=aviion opsys=dgux5-4r3
 275   ;;
 276   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 277     machine=aviion opsys=dgux5-4r2
 278   ;;
 279   m88k-dg-dgux* )
 280     machine=aviion opsys=dgux
 281   ;;
 282
 283   ## DECstations
 284   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 285     machine=pmax opsys=bsd4-2
 286   ;;
 287   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 288     machine=pmax opsys=bsd4-3
 289   ;;
 290   mips-dec-ultrix* )
 291     machine=pmax opsys=ultrix4-3
 292   ;;
 293   mips-dec-osf* )
 294     machine=pmax opsys=osf1
 295   ;;
 296   mips-dec-mach_bsd4.3* )
 297     machine=pmax opsys=mach-bsd4-3
 298   ;;
 299
 300   ## Motorola Delta machines
 301   m68k-motorola-sysv* | m68000-motorola-sysv* )
 302     machine=delta opsys=usg5-3
 303     if test -z "`type gnucc | grep 'not found'`"
 304     then
 305       if test -s /etc/167config
 306       then CC="gnucc -m68040"
 307       else CC="gnucc -m68881"
 308       fi
 309     else
 310       if test -z "`type gcc | grep 'not found'`"
 311       then CC=gcc
 312       else CC=cc
 313       fi
 314     fi
 315   ;;
 316   m88k-motorola-sysv4* )
 317     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 318     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 319     # I hope there are not other 4.0 versions for this machine
 320     # which really need usg5-4 instead.
 321     machine=delta88k opsys=usg5-4-2
 322   ;;
 323   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 324     machine=delta88k opsys=usg5-3
 325   ;;
 326
 327   ## Dual machines
 328   m68*-dual-sysv* )
 329     machine=dual opsys=usg5-2
 330   ;;
 331   m68*-dual-uniplus* )
 332     machine=dual opsys=unipl5-2
 333   ;;
 334
 335   ## Elxsi 6400
 336   elxsi-elxsi-sysv* )
 337     machine=elxsi opsys=usg5-2
 338   ;;
 339
 340   ## Encore machines
 341   ns16k-encore-bsd* )
 342     machine=ns16000 opsys=umax
 343   ;;
 344
 345   ## The GEC 93 - apparently, this port isn't really finished yet.
 346
 347   ## Gould Power Node and NP1
 348   pn-gould-bsd4.2* )
 349     machine=gould opsys=bsd4-2
 350   ;;
 351   pn-gould-bsd4.3* )
 352     machine=gould opsys=bsd4-3
 353   ;;
 354   np1-gould-bsd* )
 355     machine=gould-np1 opsys=bsd4-3
 356   ;;
 357
 358   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 359   ## as far as Emacs is concerned).
 360   m88k-harris-cxux* )
 361     # Build needs to be different on 7.0 and later releases
 362     case "`uname -r`" in
 363        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 364        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 365     esac
 366     NON_GNU_CPP="/lib/cpp"
 367   ;;
 368   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 369   m68k-harris-cxux* )
 370     machine=nh3000 opsys=cxux
 371   ;;
 372   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 373   powerpc-harris-powerunix )
 374     machine=nh6000 opsys=powerunix
 375     NON_GNU_CPP="cc -Xo -E -P"
 376   ;;
 377
 378   ## Honeywell XPS100
 379   xps*-honeywell-sysv* )
 380     machine=xps100 opsys=usg5-2
 381   ;;
 382
 383   ## HP 9000 series 200 or 300
 384   m68*-hp-bsd* )
 385     machine=hp9000s300 opsys=bsd4-3
 386   ;;
 387   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 388   m68*-hp-hpux* )
 389     case "`uname -r`" in
 390       ## Someone's system reports A.B8.05 for this.
 391       ## I wonder what other possibilities there are.
 392       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 393       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 394       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 395       *.10.* ) machine=hp9000s300 opsys=hpux9shr ;;
 396       *) machine=hp9000s300 opsys=hpux ;;
 397     esac
 398   ;;
 399
 400   ## HP 9000 series 700 and 800, running HP/UX
 401   hppa*-hp-hpux7* )
 402     machine=hp800 opsys=hpux
 403   ;;
 404   hppa*-hp-hpux8* )
 405     machine=hp800 opsys=hpux8
 406   ;;
 407   hppa*-hp-hpux9shr* )
 408     machine=hp800 opsys=hpux9shr
 409   ;;
 410   hppa*-hp-hpux9* )
 411     machine=hp800 opsys=hpux9
 412   ;;
 413   hppa*-hp-hpux10* )
 414     machine=hp800 opsys=hpux10
 415   ;;
 416
 417   ## HP 9000 series 700 and 800, running HP/UX
 418   hppa*-hp-hpux* )
 419     ## Cross-compilation?  Nah!
 420     case "`uname -r`" in
 421       ## Someone's system reports A.B8.05 for this.
 422       ## I wonder what other possibilities there are.
 423       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 424       *.08.* ) machine=hp800 opsys=hpux8 ;;
 425       *.09.* ) machine=hp800 opsys=hpux9 ;;
 426       *) machine=hp800 opsys=hpux ;;
 427     esac
 428   ;;
 429   hppa-*-nextstep* )
 430     machine=hp800 opsys=nextstep
 431   ;;
 432
 433   ## Orion machines
 434   orion-orion-bsd* )
 435     machine=orion opsys=bsd4-2
 436   ;;
 437   clipper-orion-bsd* )
 438     machine=orion105 opsys=bsd4-2
 439   ;;
 440
 441   ## IBM machines
 442   i[345]86-ibm-aix1.1* )
 443     machine=ibmps2-aix opsys=usg5-2-2
 444   ;;
 445   i[345]86-ibm-aix1.[23]* | i[345]86-ibm-aix* )
 446     machine=ibmps2-aix opsys=usg5-3
 447   ;;
 448   i370-ibm-aix*)
 449     machine=ibm370aix opsys=usg5-3
 450   ;;
 451   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 452     machine=ibmrs6000 opsys=aix3-1
 453   ;;
 454   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 455     machine=ibmrs6000 opsys=aix3-2-5
 456   ;;
 457   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 458     machine=ibmrs6000 opsys=aix4-1
 459   ;;
 460   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 461     machine=ibmrs6000 opsys=aix4
 462   ;;
 463   rs6000-ibm-aix* | powerpc-ibm-aix* )
 464     machine=ibmrs6000 opsys=aix3-2
 465   ;;
 466   romp-ibm-bsd4.3* )
 467     machine=ibmrt opsys=bsd4-3
 468   ;;
 469   romp-ibm-bsd4.2* )
 470     machine=ibmrt opsys=bsd4-2
 471   ;;
 472   romp-ibm-aos4.3* )
 473     machine=ibmrt opsys=bsd4-3
 474   ;;
 475   romp-ibm-aos4.2* )
 476     machine=ibmrt opsys=bsd4-2
 477   ;;
 478   romp-ibm-aos* )
 479     machine=ibmrt opsys=bsd4-3
 480   ;;
 481   romp-ibm-bsd* )
 482     machine=ibmrt opsys=bsd4-3
 483   ;;
 484   romp-ibm-aix* )
 485     machine=ibmrt-aix opsys=usg5-2-2
 486   ;;
 487
 488   ## Integrated Solutions `Optimum V'
 489   m68*-isi-bsd4.2* )
 490     machine=isi-ov opsys=bsd4-2
 491   ;;
 492   m68*-isi-bsd4.3* )
 493     machine=isi-ov opsys=bsd4-3
 494   ;;
 495
 496   ## Intel 386 machines where we do care about the manufacturer
 497   i[345]86-intsys-sysv* )
 498     machine=is386 opsys=usg5-2-2
 499   ;;
 500
 501   ## Prime EXL
 502   i[345]86-prime-sysv* )
 503     machine=i386 opsys=usg5-3
 504   ;;
 505
 506   ## Sequent Symmetry running Dynix
 507   i[345]86-sequent-bsd* )
 508     machine=symmetry opsys=bsd4-3
 509   ;;
 510
 511   ## Sequent Symmetry running DYNIX/ptx
 512   ## Use the old cpp rather than the newer ANSI one.
 513   i[345]86-sequent-ptx* )
 514     machine=sequent-ptx opsys=ptx
 515     NON_GNU_CPP="/lib/cpp"
 516   ;;
 517
 518   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 519   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 520   i[345]86-ncr-sysv* )
 521     machine=ncr386 opsys=usg5-4-2
 522   ;;
 523
 524   ## Intel Paragon OSF/1
 525   i860-intel-osf1* )
 526     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 527   ;;
 528
 529   ## Intel 860
 530   i860-*-sysv4* )
 531     machine=i860 opsys=usg5-4
 532     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 533     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 534   ;;
 535
 536   ## Masscomp machines
 537   m68*-masscomp-rtu* )
 538     machine=masscomp opsys=rtu
 539   ;;
 540
 541   ## Megatest machines
 542   m68*-megatest-bsd* )
 543     machine=mega68 opsys=bsd4-2
 544   ;;
 545
 546   ## Workstations sold by MIPS
 547   ## This is not necessarily all workstations using the MIPS processor -
 548   ## Irises are produced by SGI, and DECstations by DEC.
 549
 550   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 551   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 552   ## it gives for choosing between the alternatives seems to be "Use
 553   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 554   ## the BSD world."  I'll assume that these are instructions for
 555   ## handling two odd situations, and that every other situation
 556   ## should use mips.h and usg5-2-2, they being listed first.
 557   mips-mips-usg* )
 558     machine=mips4
 559     ## Fall through to the general code at the bottom to decide on the OS.
 560   ;;
 561   mips-mips-riscos4* )
 562     machine=mips4 opsys=bsd4-3
 563     NON_GNU_CC="cc -systype bsd43"
 564     NON_GNU_CPP="cc -systype bsd43 -E"
 565   ;;
 566   mips-mips-riscos5* )
 567     machine=mips4 opsys=riscos5
 568     NON_GNU_CC="cc -systype bsd43"
 569     NON_GNU_CPP="cc -systype bsd43 -E"
 570   ;;
 571   mips-mips-bsd* )
 572     machine=mips opsys=bsd4-3
 573   ;;
 574   mips-mips-* )
 575     machine=mips opsys=usg5-2-2
 576   ;;
 577
 578   ## NeXT
 579   m68*-next-* | m68k-*-nextstep* )
 580     machine=m68k opsys=nextstep
 581   ;;
 582
 583   ## The complete machine from National Semiconductor
 584   ns32k-ns-genix* )
 585     machine=ns32000 opsys=usg5-2
 586   ;;
 587
 588   ## NCR machines
 589   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 590     machine=tower32 opsys=usg5-2-2
 591   ;;
 592   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 593     machine=tower32v3 opsys=usg5-3
 594   ;;
 595
 596   ## Nixdorf Targon 31
 597   m68*-nixdorf-sysv* )
 598     machine=targon31 opsys=usg5-2-2
 599   ;;
 600
 601   ## Nu (TI or LMI)
 602   m68*-nu-sysv* )
 603     machine=nu opsys=usg5-2
 604   ;;
 605
 606   ## Plexus
 607   m68*-plexus-sysv* )
 608     machine=plexus opsys=usg5-2
 609   ;;
 610
 611   ## Pyramid machines
 612   ## I don't really have any idea what sort of processor the Pyramid has,
 613   ## so I'm assuming it is its own architecture.
 614   pyramid-pyramid-bsd* )
 615     machine=pyramid opsys=bsd4-2
 616   ;;
 617
 618   ## Sequent Balance
 619   ns32k-sequent-bsd4.2* )
 620     machine=sequent opsys=bsd4-2
 621   ;;
 622   ns32k-sequent-bsd4.3* )
 623     machine=sequent opsys=bsd4-3
 624   ;;
 625
 626   ## Siemens Nixdorf
 627   mips-siemens-sysv* | mips-sni-sysv*)
 628     machine=mips-siemens opsys=usg5-4
 629     NON_GNU_CC=/usr/ccs/bin/cc
 630     NON_GNU_CPP=/usr/ccs/lib/cpp
 631   ;;
 632
 633   ## Silicon Graphics machines
 634   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 635   m68*-sgi-iris3.5* )
 636     machine=irist opsys=iris3-5
 637   ;;
 638   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 639     machine=irist opsys=iris3-6
 640   ;;
 641   ## Iris 4D
 642   mips-sgi-irix3* )
 643     machine=iris4d opsys=irix3-3
 644   ;;
 645   mips-sgi-irix4* )
 646     machine=iris4d opsys=irix4-0
 647   ;;
 648   mips-sgi-irix6* )
 649     machine=iris4d opsys=irix6-0  NON_GNU_CPP=/lib/cpp
 650   ;;
 651   mips-sgi-irix5.[01]* )
 652     machine=iris4d opsys=irix5-0
 653   ;;
 654   mips-sgi-irix5* | mips-sgi-irix* )
 655     machine=iris4d opsys=irix5-2
 656   ;;
 657
 658   ## SONY machines
 659   m68*-sony-bsd4.2* )
 660     machine=news opsys=bsd4-2
 661   ;;
 662   m68*-sony-bsd4.3* )
 663     machine=news opsys=bsd4-3
 664   ;;
 665   m68*-sony-newsos3* | m68*-sony-news3*)
 666     machine=news opsys=bsd4-3
 667   ;;
 668   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 669     machine=news-risc opsys=bsd4-3
 670   ;;
 671   mips-sony-news* )
 672     machine=news-risc opsys=newsos5
 673   ;;
 674
 675   ## Stride
 676   m68*-stride-sysv* )
 677     machine=stride opsys=usg5-2
 678   ;;
 679
 680   ## Suns
 681   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 682     | i[345]86-*-solaris2* | i[345]86-*-sunos5* | powerpc*-*-solaris2* \
 683     | rs6000-*-solaris2*)
 684     case "${canonical}" in
 685       m68*-sunos1* )    machine=sun1 ;;
 686       m68*-sunos2* )    machine=sun2 ;;
 687       m68* )            machine=sun3 ;;
 688       i[345]86-sun-sunos[34]* ) machine=sun386 ;;
 689       i[345]86-*-* )     machine=intel386 ;;
 690       powerpc* | rs6000* )  machine=rs6000 ;;
 691       sparc* )          machine=sparc ;;
 692       * )               unported=yes ;;
 693     esac
 694     case "${canonical}" in
 695       ## The Sun386 didn't get past 4.0.
 696       i[345]86-*-sunos4   ) opsys=sunos4-0 ;;
 697       *-sunos4.0*         ) opsys=sunos4-0 ;;
 698       *-sunos4.1.[3-9]* | *-sunos4shr*)
 699                 opsys=sunos4shr
 700                 NON_GNU_CPP=/usr/lib/cpp
 701                 ;;
 702       *-sunos4.1.[3-9]*-noshare )
 703                 opsys=sunos4-1-3
 704                 NON_GNU_CPP=/usr/lib/cpp
 705                 NON_GCC_TEST_OPTIONS=-Bstatic
 706                 GCC_TEST_OPTIONS=-static
 707                 ;;
 708       *-sunos4* | *-sunos )
 709                 opsys=sunos4-1
 710                 NON_GCC_TEST_OPTIONS=-Bstatic
 711                 GCC_TEST_OPTIONS=-static
 712                 ;;
 713       *-sunos5.3* | *-solaris2.3* )
 714                 opsys=sol2-3
 715                 NON_GNU_CPP=/usr/ccs/lib/cpp
 716                 ;;
 717       *-sunos5.4* | *-solaris2.4* )
 718                 opsys=sol2-4
 719                 NON_GNU_CPP=/usr/ccs/lib/cpp
 720                 RANLIB="ar -ts"
 721                 ;;
 722       *-sunos5.5* | *-solaris2.5* )
 723                 opsys=sol2-5
 724                 NON_GNU_CPP=/usr/ccs/lib/cpp
 725                 RANLIB="ar -ts"
 726                 ;;
 727       *-sunos5* | *-solaris* )
 728                 opsys=sol2-4
 729                 NON_GNU_CPP=/usr/ccs/lib/cpp
 730                 ;;
 731       *                   ) opsys=bsd4-2   ;;
 732     esac
 733     ## Watch out for a compiler that we know will not work.
 734     case "${canonical}" in
 735      *-solaris* | *-sunos5* )
 736                 if [ "x$CC" = x/usr/ucb/cc ]; then
 737                   ## /usr/ucb/cc doesn't work;
 738                   ## we should find some other compiler that does work.
 739                   unset CC
 740                 fi
 741                 ;;
 742       *) ;;
 743     esac
 744   ;;
 745   sparc-*-nextstep* )
 746     machine=sparc opsys=nextstep
 747   ;;
 748
 749   ## Tadpole 68k
 750   m68*-tadpole-sysv* )
 751     machine=tad68k opsys=usg5-3
 752   ;;
 753
 754   ## Tahoe machines
 755   tahoe-tahoe-bsd4.2* )
 756     machine=tahoe opsys=bsd4-2
 757   ;;
 758   tahoe-tahoe-bsd4.3* )
 759     machine=tahoe opsys=bsd4-3
 760   ;;
 761
 762   ## Tandem Integrity S2
 763   mips-tandem-sysv* )
 764     machine=tandem-s2 opsys=usg5-3
 765   ;;
 766
 767   ## Tektronix XD88
 768   m88k-tektronix-sysv3* )
 769   machine=tekxd88 opsys=usg5-3
 770   ;;
 771
 772   ## Tektronix 16000 box (6130?)
 773   ns16k-tektronix-bsd* )
 774     machine=ns16000 opsys=bsd4-2
 775   ;;
 776   ## Tektronix 4300
 777   ## src/m/tek4300.h hints that this is a m68k machine.
 778   m68*-tektronix-bsd* )
 779     machine=tek4300 opsys=bsd4-3
 780   ;;
 781
 782   ## Titan P2 or P3
 783   ## We seem to have lost the machine-description file titan.h!
 784   titan-titan-sysv* )
 785     machine=titan opsys=usg5-3
 786   ;;
 787
 788   ## Ustation E30 (SS5E)
 789   m68*-unisys-uniplus* )
 790     machine=ustation opsystem=unipl5-2
 791   ;;
 792
 793   ## Vaxen.
 794   vax-dec-* )
 795     machine=vax
 796     case "${canonical}" in
 797       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 798       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 799       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 800       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 801       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 802       *-vms* )                                          opsys=vms ;;
 803       * )                                               unported=yes
 804     esac
 805   ;;
 806
 807   ## Whitechapel MG1
 808   ns16k-whitechapel-* )
 809     machine=mg1
 810     ## We don't know what sort of OS runs on these; we'll let the
 811     ## operating system guessing code below try.
 812   ;;
 813
 814   ## Wicat
 815   m68*-wicat-sysv* )
 816     machine=wicat opsys=usg5-2
 817   ;;
 818
 819   ## Intel 386 machines where we don't care about the manufacturer
 820   i[345]86-*-* )
 821     machine=intel386
 822     case "${canonical}" in
 823       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 824       *-isc2.2* )               opsys=isc2-2 ;;
 825       *-isc4.0* )               opsys=isc4-0 ;;
 826       *-isc4.* )                opsys=isc4-1
 827                                 GCC_TEST_OPTIONS=-posix
 828                                 NON_GCC_TEST_OPTIONS=-Xp
 829                                 ;;
 830       *-isc* )                  opsys=isc3-0 ;;
 831       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 832       *-esix* )                 opsys=esix ;;
 833       *-xenix* )                opsys=xenix ;;
 834       *-linux* )                opsys=linux ;;
 835       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 836       *-bsd386* | *-bsdi1* )    opsys=bsd386 ;;
 837       *-bsdi2* )                opsys=bsdos2 ;;
 838       *-386bsd* )               opsys=386bsd ;;
 839       *-freebsd* )              opsys=freebsd ;;
 840       *-nextstep* )             opsys=nextstep ;;
 841       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 842     esac
 843   ;;
 844
 845   ## Linux/68k
 846   m68k-*-linux* )
 847     machine=m68k opsys=linux
 848   ;;
 849
 850   * )
 851     unported=yes
 852   ;;
 853 esac
 854
 855 ### If the code above didn't choose an operating system, just choose
 856 ### an operating system based on the configuration name.  You really
 857 ### only want to use this when you have no idea what the right
 858 ### operating system is; if you know what operating systems a machine
 859 ### runs, it's cleaner to make it explicit in the case statement
 860 ### above.
 861 if test x"${opsys}" = x; then
 862   case "${canonical}" in
 863     *-gnu* )                            opsys=gnu ;;
 864     *-bsd4.[01] )                       opsys=bsd4-1 ;;
 865     *-bsd4.2 )                          opsys=bsd4-2 ;;
 866     *-bsd4.3 )                          opsys=bsd4-3 ;;
 867     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
 868     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
 869     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
 870     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
 871     *-sysv4.1* | *-sysvr4.1* )
 872         NON_GNU_CPP=/usr/lib/cpp
 873         opsys=usg5-4 ;;
 874     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
 875         if [ x$NON_GNU_CPP = x ]; then
 876           NON_GNU_CPP=/usr/ccs/lib/cpp
 877         fi
 878         opsys=usg5-4-2 ;;
 879     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
 880     * )
 881       unported=yes
 882     ;;
 883   esac
 884 fi
 885
 886 if test "x$RANLIB" = x; then
 887   RANLIB=ranlib
 888 fi
 889
 890 changequote([, ])dnl
 891
 892 if test $unported = yes; then
 893   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
 894 Check \`etc/MACHINES' for recognized configuration names.])
 895 fi
 896
 897 machfile="m/${machine}.h"
 898 opsysfile="s/${opsys}.h"
 899
 900
 901 #### Choose a compiler.
 902 test -n "$CC" && cc_specified=yes
 903
 904 # Save the value of CFLAGS that the user specified.
 905 SPECIFIED_CFLAGS="$CFLAGS"
 906
 907 case ${with_gcc} in
 908   "yes" ) CC="gcc" GCC=yes ;;
 909   "no"  ) : ${CC=cc} ;;
 910   * ) AC_PROG_CC
 911 esac
 912
 913 # On Suns, sometimes $CPP names a directory.
 914 if test -n "$CPP" && test -d "$CPP"; then
 915   CPP=
 916 fi
 917
 918 #### Some systems specify a CPP to use unless we are using GCC.
 919 #### Now that we know whether we are using GCC, we can decide whether
 920 #### to use that one.
 921 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
 922 then
 923   CPP="$NON_GNU_CPP"
 924 fi
 925
 926 #### Some systems specify a CC to use unless we are using GCC.
 927 #### Now that we know whether we are using GCC, we can decide whether
 928 #### to use that one.
 929 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
 930   test x$cc_specified != xyes
 931 then
 932   CC="$NON_GNU_CC"
 933 fi
 934
 935 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
 936 then
 937   CC="$CC $GCC_TEST_OPTIONS"
 938 fi
 939
 940 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
 941 then
 942   CC="$CC $NON_GCC_TEST_OPTIONS"
 943 fi
 944
 945 #### Some other nice autoconf tests.  If you add a test here which
 946 #### should make an entry in src/config.h, don't forget to add an
 947 #### #undef clause to src/config.h.in for autoconf to modify.
 948
 949 dnl checks for programs
 950 AC_PROG_LN_S
 951 AC_PROG_CPP
 952 AC_PROG_INSTALL
 953 AC_PROG_YACC
 954
 955 dnl checks for Unix variants
 956 AC_AIX
 957
 958 dnl checks for header files
 959 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h)
 960 AC_HEADER_STDC
 961 AC_HEADER_TIME
 962 AC_DECL_SYS_SIGLIST
 963
 964 dnl Some systems have utime.h but don't declare the struct anyplace.
 965 AC_MSG_CHECKING(for struct utimbuf)
 966 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
 967 #include <sys/time.h>
 968 #include <time.h>
 969 #else
 970 #ifdef HAVE_SYS_TIME_H
 971 #include <sys/time.h>
 972 #else
 973 #include <time.h>
 974 #endif
 975 #endif
 976 #ifdef HAVE_UTIME_H
 977 #include <utime.h>
 978 #endif], [static struct utimbuf x; x.actime = x.modtime;],
 979   [AC_MSG_RESULT(yes)
 980    AC_DEFINE(HAVE_STRUCT_UTIMBUF)],
 981   AC_MSG_RESULT(no))
 982
 983 dnl checks for typedefs
 984 AC_TYPE_SIGNAL
 985
 986 AC_MSG_CHECKING(for struct timeval)
 987 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
 988 #include <sys/time.h>
 989 #include <time.h>
 990 #else
 991 #ifdef HAVE_SYS_TIME_H
 992 #include <sys/time.h>
 993 #else
 994 #include <time.h>
 995 #endif
 996 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
 997   [AC_MSG_RESULT(yes)
 998    HAVE_TIMEVAL=yes
 999    AC_DEFINE(HAVE_TIMEVAL)],
1000   AC_MSG_RESULT(no))
1001
1002 dnl checks for structure members
1003 AC_STRUCT_TM
1004 AC_STRUCT_TIMEZONE
1005
1006 dnl checks for compiler characteristics
1007 AC_C_CONST
1008
1009 dnl check for Make feature
1010 AC_PROG_MAKE_SET
1011
1012 dnl checks for operating system services
1013 AC_SYS_LONG_FILE_NAMES
1014
1015 #### Choose a window system.
1016
1017 AC_PATH_X
1018 if test "$no_x" = yes; then
1019   window_system=none
1020 else
1021   window_system=x11
1022 fi
1023
1024 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1025   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1026   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1027 fi
1028 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1029   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1030 fi
1031
1032 if test x"${x_includes}" = x; then
1033   bitmapdir=/usr/include/X11/bitmaps
1034 else
1035   # accumulate include directories that have X11 bitmap subdirectories
1036   bmd_acc="dummyval"
1037   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1038     if test -d "${bmd}/X11/bitmaps"; then
1039       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1040     elif test -d "${bmd}/bitmaps"; then
1041       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1042     fi
1043   done
1044   if test ${bmd_acc} != "dummyval"; then
1045     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1046   fi
1047 fi
1048
1049 case "${window_system}" in
1050   x11 )
1051     HAVE_X_WINDOWS=yes
1052     HAVE_X11=yes
1053     case "${with_x_toolkit}" in
1054       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1055       motif ) USE_X_TOOLKIT=MOTIF ;;
1056 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1057       no ) USE_X_TOOLKIT=none ;;
1058 dnl If user did not say whether to use a toolkit,
1059 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1060       * ) USE_X_TOOLKIT=maybe ;;
1061     esac
1062   ;;
1063   none )
1064     HAVE_X_WINDOWS=no
1065     HAVE_X11=no
1066     USE_X_TOOLKIT=none
1067   ;;
1068 esac
1069
1070 ### If we're using X11, we should use the X menu package.
1071 HAVE_MENUS=no
1072 case ${HAVE_X11} in
1073   yes ) HAVE_MENUS=yes ;;
1074 esac
1075
1076 if test "${opsys}" = "hpux9"; then
1077   case "${x_libraries}" in
1078     *X11R4* )
1079       opsysfile="s/hpux9-x11r4.h"
1080       ;;
1081   esac
1082 fi
1083
1084 if test "${opsys}" = "hpux9shr"; then
1085   case "${x_libraries}" in
1086     *X11R4* )
1087       opsysfile="s/hpux9shxr4.h"
1088       ;;
1089   esac
1090 fi
1091
1092 #### Extract some information from the operating system and machine files.
1093
1094 AC_CHECKING([the machine- and system-dependent files to find out
1095  - which libraries the lib-src programs will want, and
1096  - whether the GNU malloc routines are usable])
1097
1098 ### First figure out CFLAGS (which we use for running the compiler here)
1099 ### and REAL_CFLAGS (which we use for real compilation).
1100 ### The two are the same except on a few systems, where they are made
1101 ### different to work around various lossages.  For example,
1102 ### GCC 2.5 on Linux needs them to be different because it treats -g
1103 ### as implying static linking.
1104
1105 ### If the CFLAGS env var is specified, we use that value
1106 ### instead of the default.
1107
1108 ### It's not important that this name contain the PID; you can't run
1109 ### two configures in the same directory and have anything work
1110 ### anyway.
1111 tempcname="conftest.c"
1112
1113 echo '
1114 #include "'${srcdir}'/src/'${opsysfile}'"
1115 #include "'${srcdir}'/src/'${machfile}'"
1116 #ifndef LIBS_MACHINE
1117 #define LIBS_MACHINE
1118 #endif
1119 #ifndef LIBS_SYSTEM
1120 #define LIBS_SYSTEM
1121 #endif
1122 #ifndef C_SWITCH_SYSTEM
1123 #define C_SWITCH_SYSTEM
1124 #endif
1125 #ifndef C_SWITCH_MACHINE
1126 #define C_SWITCH_MACHINE
1127 #endif
1128 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1129 configure___ c_switch_system=C_SWITCH_SYSTEM
1130 configure___ c_switch_machine=C_SWITCH_MACHINE
1131
1132 #ifndef LIB_X11_LIB
1133 #define LIB_X11_LIB -lX11
1134 #endif
1135
1136 #ifndef LIBX11_MACHINE
1137 #define LIBX11_MACHINE
1138 #endif
1139
1140 #ifndef LIBX11_SYSTEM
1141 #define LIBX11_SYSTEM
1142 #endif
1143 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1144
1145 #ifdef UNEXEC
1146 configure___ unexec=UNEXEC
1147 #else
1148 configure___ unexec=unexec.o
1149 #endif
1150
1151 #ifdef SYSTEM_MALLOC
1152 configure___ system_malloc=yes
1153 #else
1154 configure___ system_malloc=no
1155 #endif
1156
1157 #ifndef C_DEBUG_SWITCH
1158 #define C_DEBUG_SWITCH -g
1159 #endif
1160
1161 #ifndef C_OPTIMIZE_SWITCH
1162 #define C_OPTIMIZE_SWITCH -O
1163 #endif
1164
1165 #ifdef THIS_IS_CONFIGURE
1166
1167 /* Get the CFLAGS for tests in configure.  */
1168 #ifdef __GNUC__
1169 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1170 #else
1171 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1172 #endif
1173
1174 #else /* not THIS_IS_CONFIGURE */
1175
1176 /* Get the CFLAGS for real compilation.  */
1177 #ifdef __GNUC__
1178 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1179 #else
1180 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1181 #endif
1182
1183 #endif /* not THIS_IS_CONFIGURE */
1184 ' > ${tempcname}
1185
1186 # The value of CPP is a quoted variable reference, so we need to do this
1187 # to get its actual value...
1188 CPP=`eval "echo $CPP"`
1189 changequote(, )dnl
1190 eval `${CPP} -Isrc ${tempcname} \
1191        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1192 if test "x$SPECIFIED_CFLAGS" = x; then
1193   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1194          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1195 else
1196   REAL_CFLAGS="$CFLAGS"
1197 fi
1198 changequote([, ])dnl
1199 rm ${tempcname}
1200
1201 ### Compute the unexec source name from the object name.
1202 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1203
1204 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1205 # Assume not, until told otherwise.
1206 GNU_MALLOC=yes
1207 if test "${system_malloc}" = "yes"; then
1208   GNU_MALLOC=no
1209   GNU_MALLOC_reason="
1210   (The GNU allocators don't work with this system configuration.)"
1211 fi
1212
1213 if test x"${REL_ALLOC}" = x; then
1214   REL_ALLOC=${GNU_MALLOC}
1215 fi
1216
1217 LISP_FLOAT_TYPE=yes
1218
1219
1220 #### Add the libraries to LIBS and check for some functions.
1221
1222 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1223 LIBS="$libsrc_libs $LIBS"
1224
1225 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1226 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1227 AC_CHECK_LIB(dnet, dnet_ntoa)
1228 dnl This causes -lresolv to get used in subsequent tests,
1229 dnl which causes failures on some systems such as HPUX 9.
1230 dnl AC_CHECK_LIB(resolv, gethostbyname)
1231
1232 dnl FIXME replace main with a function we actually want from this library.
1233 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1234
1235 AC_CHECK_LIB(pthreads, cma_open)
1236
1237 AC_MSG_CHECKING(for XFree86)
1238 if test -d /usr/X386/include; then
1239   HAVE_XFREE386=yes
1240   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1241 else
1242   HAVE_XFREE386=no
1243 fi
1244 AC_MSG_RESULT($HAVE_XFREE386)
1245
1246 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1247 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1248
1249 if test "${HAVE_X11}" = "yes"; then
1250   DEFS="$C_SWITCH_X_SITE $DEFS"
1251   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1252   LIBS="$LIBX $LIBS"
1253   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1254
1255   if test "${opsys}" = "linux"; then
1256     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1257     AC_TRY_LINK([],
1258      [XOpenDisplay ("foo");],
1259      [xlinux_first_failure=no],
1260      [xlinux_first_failure=yes])
1261     if test "${xlinux_first_failure}" = "yes"; then
1262       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1263       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1264       OLD_CPPFLAGS="$CPPFLAGS"
1265       OLD_LIBS="$LIBS"
1266       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1267       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1268       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1269       LIBS="$LIBS -b i486-linuxaout"
1270       AC_TRY_LINK([],
1271        [XOpenDisplay ("foo");],
1272        [xlinux_second_failure=no],
1273        [xlinux_second_failure=yes])
1274       if test "${xlinux_second_failure}" = "yes"; then
1275         # If we get the same failure with -b, there is no use adding -b.
1276         # So take it out.  This plays safe.
1277         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1278         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1279         CPPFLAGS="$OLD_CPPFLAGS"
1280         LIBS="$OLD_LIBS"
1281         AC_MSG_RESULT(no)
1282       else
1283         AC_MSG_RESULT(yes)
1284       fi
1285     else
1286       AC_MSG_RESULT(no)
1287     fi
1288   fi
1289
1290   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1291 XScreenNumberOfScreen XSetWMProtocols)
1292 fi
1293
1294 if test "${window_system}" = "x11"; then
1295   AC_MSG_CHECKING(X11 version 6)
1296   AC_TRY_LINK([#include <X11/Xlib.h>],
1297 [#if XlibSpecificationRelease < 6
1298 fail;
1299 #endif
1300 ], [AC_MSG_RESULT(6)
1301     AC_DEFINE(HAVE_X11R6)],
1302    [AC_MSG_RESULT(not 6)])
1303 fi
1304
1305 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1306   AC_MSG_CHECKING(X11 version 5)
1307   AC_TRY_LINK([#include <X11/Xlib.h>],
1308 [#if XlibSpecificationRelease < 5
1309 fail;
1310 #endif
1311 ], [AC_MSG_RESULT(5, use toolkit)
1312     USE_X_TOOLKIT=LUCID
1313     AC_DEFINE(HAVE_X11R5)],
1314    [AC_MSG_RESULT(not 5, do not use toolkit)
1315     USE_X_TOOLKIT=none])
1316 fi
1317
1318 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1319
1320 if test "${USE_X_TOOLKIT}" != "none"; then
1321   AC_MSG_CHECKING(X11 toolkit version)
1322   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1323 [#if XtSpecificationRelease < 6
1324 fail;
1325 #endif
1326 ], [AC_MSG_RESULT(6)
1327     AC_DEFINE(HAVE_X11XTR6)],
1328    [AC_MSG_RESULT(not 6)])
1329
1330 dnl If using toolkit, check whether libXmu.a exists.
1331 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1332   OLDLIBS="$LIBS"
1333   LIBS="-lXt $LIBS"
1334   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1335   LIBS="$OLDLIBS"
1336 fi
1337
1338 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1339 AC_MSG_CHECKING(whether netdb declares h_errno)
1340 AC_TRY_LINK([#include <netdb.h>],
1341   [return h_errno;],
1342   [AC_MSG_RESULT(yes)
1343    AC_DEFINE(HAVE_H_ERRNO)],
1344   [AC_MSG_RESULT(no)])
1345
1346 AC_FUNC_ALLOCA
1347
1348 # fmod, logb, and frexp are found in -lm on most systems.
1349 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1350 AC_CHECK_LIB(m, sqrt(0.0) + t)
1351 AC_CHECK_FUNCS(gettimeofday gethostname dup2 rename closedir mkdir rmdir \
1352 random lrand48 bcopy bcmp logb frexp fmod ftime res_init setsid \
1353 strerror fpathconf select mktime eaccess getpagesize tzset)
1354
1355 AC_MSG_CHECKING(whether localtime caches TZ)
1356 AC_CACHE_VAL(emacs_cv_localtime_cache,
1357 [if test $ac_cv_func_tzset = yes; then
1358 AC_TRY_RUN([#include <time.h>
1359 #if STDC_HEADERS
1360 # include <stdlib.h>
1361 #endif
1362 main()
1363 {
1364   time_t now = time ((time_t *) 0);
1365   int hour;
1366   if (putenv ("TZ=GMT0") != 0)
1367     exit (1);
1368   hour = localtime (&now)->tm_hour;
1369   if (putenv ("TZ=PST8") != 0)
1370     exit (1);
1371   exit (localtime (&now)->tm_hour == hour);
1372 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1373 [# If we have tzset, assume the worst when cross-compiling.
1374 emacs_cv_localtime_cache=yes])
1375 else
1376         # If we lack tzset, report that localtime does not cache TZ,
1377         # since we can't invalidate the cache if we don't have tzset.
1378         emacs_cv_localtime_cache=no
1379 fi])dnl
1380 AC_MSG_RESULT($emacs_cv_localtime_cache)
1381 if test $emacs_cv_localtime_cache = yes; then
1382   AC_DEFINE(LOCALTIME_CACHE)
1383 fi
1384
1385 if test "x$HAVE_TIMEVAL" = xyes; then
1386 AC_MSG_CHECKING(whether gettimeofday can't accept two arguments)
1387 AC_TRY_LINK([
1388 #ifdef TIME_WITH_SYS_TIME
1389 #include <sys/time.h>
1390 #include <time.h>
1391 #else
1392 #ifdef HAVE_SYS_TIME_H
1393 #include <sys/time.h>
1394 #else
1395 #include <time.h>
1396 #endif
1397 #endif
1398   ],
1399   [
1400   struct timeval time;
1401   struct timezone dummy;
1402   gettimeofday (&time, &dummy);
1403 ],
1404   [AC_MSG_RESULT(no)],
1405   [AC_MSG_RESULT(yes)
1406    AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)])
1407 fi
1408
1409 ok_so_far=yes
1410 AC_CHECK_FUNC(socket, , ok_so_far=no)
1411 if test $ok_so_far = yes; then
1412   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1413 fi
1414 if test $ok_so_far = yes; then
1415   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1416 fi
1417 if test $ok_so_far = yes; then
1418   AC_DEFINE(HAVE_INET_SOCKETS)
1419 fi
1420
1421 if test -f /usr/lpp/X11/bin/smt.exp; then
1422   AC_DEFINE(HAVE_AIX_SMT_EXP)
1423 fi
1424
1425 # Set up the CFLAGS for real compilation, so we can substitute it.
1426 CFLAGS="$REAL_CFLAGS"
1427
1428 changequote(, )dnl
1429 #### Find out which version of Emacs this is.
1430 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1431          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1432 changequote([, ])dnl
1433 if test x"${version}" = x; then
1434   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1435 fi
1436
1437 ### Specify what sort of things we'll be editing into Makefile and config.h.
1438 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1439 AC_SUBST(version)
1440 AC_SUBST(configuration)
1441 AC_SUBST(canonical)
1442 AC_SUBST(srcdir)
1443 AC_SUBST(prefix)
1444 AC_SUBST(exec_prefix)
1445 AC_SUBST(bindir)
1446 AC_SUBST(datadir)
1447 AC_SUBST(sharedstatedir)
1448 AC_SUBST(libexecdir)
1449 AC_SUBST(mandir)
1450 AC_SUBST(infodir)
1451 AC_SUBST(lispdir)
1452 AC_SUBST(locallisppath)
1453 AC_SUBST(lisppath)
1454 AC_SUBST(etcdir)
1455 AC_SUBST(lockdir)
1456 AC_SUBST(archlibdir)
1457 AC_SUBST(docdir)
1458 AC_SUBST(bitmapdir)
1459 AC_SUBST(c_switch_system)
1460 AC_SUBST(c_switch_machine)
1461 AC_SUBST(LD_SWITCH_X_SITE)
1462 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1463 AC_SUBST(C_SWITCH_X_SITE)
1464 AC_SUBST(CFLAGS)
1465 AC_SUBST(X_TOOLKIT_TYPE)
1466 AC_SUBST(machfile)
1467 AC_SUBST(opsysfile)
1468 AC_SUBST(RANLIB)
1469
1470 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1471 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1472 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1473 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1474 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1475 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1476 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1477 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1478
1479 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1480   AC_DEFINE(HAVE_X_WINDOWS)
1481 fi
1482 if test "${USE_X_TOOLKIT}" != "none" ; then
1483   AC_DEFINE(USE_X_TOOLKIT)
1484 fi
1485 if test "${HAVE_X11}" = "yes" ; then
1486   AC_DEFINE(HAVE_X11)
1487 fi
1488 if test "${HAVE_XFREE386}" = "yes" ; then
1489   AC_DEFINE(HAVE_XFREE386)
1490 fi
1491 if test "${HAVE_MENUS}" = "yes" ; then
1492   AC_DEFINE(HAVE_MENUS)
1493 fi
1494 if test "${GNU_MALLOC}" = "yes" ; then
1495   AC_DEFINE(GNU_MALLOC)
1496 fi
1497 if test "${REL_ALLOC}" = "yes" ; then
1498   AC_DEFINE(REL_ALLOC)
1499 fi
1500 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1501   AC_DEFINE(LISP_FLOAT_TYPE)
1502 fi
1503
1504 #### Report on what we decided to do.
1505 echo "
1506 Configured for \`${canonical}'.
1507
1508   Where should the build process find the source code?    ${srcdir}
1509   What operating system and machine description files should Emacs use?
1510         \`${opsysfile}' and \`${machfile}'
1511   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1512   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1513   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1514   What window system should Emacs use?                    ${window_system}
1515   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
1516
1517 if test -n "${x_includes}"; then
1518 echo "  Where do we find X Windows header files?                ${x_includes}"
1519 else
1520 echo "  Where do we find X Windows header files?                Standard dirs"
1521 fi
1522 if test -n "${x_libraries}"; then
1523 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
1524 else
1525 echo "  Where do we find X Windows libraries?                   Standard dirs"
1526 fi
1527
1528 echo
1529
1530 # Remove any trailing slashes in these variables.
1531 changequote(, )dnl
1532 test "${prefix}" != NONE &&
1533   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1534 test "${exec_prefix}" != NONE &&
1535   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1536 changequote([, ])dnl
1537
1538 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1539         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in, [
1540
1541 ### Make the necessary directories, if they don't exist.
1542 for dir in cpp etc ; do
1543   test -d ${dir} || mkdir ${dir}
1544 done
1545
1546 # Build src/Makefile from ${srcdir}/src/Makefile.c
1547 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1548 # This must be done after src/config.h is built, since we rely on that file.
1549
1550 changequote(, )dnl The horror, the horror.
1551 # Now get this: Some word that is part of the ${srcdir} directory name
1552 # or the ${configuration} value might, just might, happen to be an
1553 # identifier like `sun4' or `i386' or something, and be predefined by
1554 # the C preprocessor to some helpful value like 1, or maybe the empty
1555 # string.  Needless to say consequent macro substitutions are less
1556 # than conducive to the makefile finding the correct directory.
1557 undefs="`echo $top_srcdir $configuration $canonical |
1558 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
1559     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1560 `"
1561 changequote([, ])dnl
1562
1563 echo creating lib-src/Makefile
1564 ( cd lib-src
1565   rm -f junk.c junk1.c junk2.c
1566   sed -e '/start of cpp stuff/q' \
1567       < Makefile.c > junk1.c
1568   sed -e '1,/start of cpp stuff/d'\
1569       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1570       < Makefile.c > junk.c
1571   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1572       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1573   cat junk1.c junk2.c > Makefile.new
1574   rm -f junk.c junk1.c junk2.c
1575   chmod 444 Makefile.new
1576   mv -f Makefile.new Makefile
1577 )
1578
1579 echo creating src/Makefile
1580 ( cd src
1581   rm -f junk.c junk1.c junk2.c
1582   sed -e '/start of cpp stuff/q' \
1583       < Makefile.c > junk1.c
1584   sed -e '1,/start of cpp stuff/d'\
1585       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1586       < Makefile.c > junk.c
1587   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1588       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1589   cat junk1.c junk2.c > Makefile.new
1590   rm -f junk.c junk1.c junk2.c
1591   chmod 444 Makefile.new
1592   mv -f Makefile.new Makefile
1593 )
1594
1595 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
1596   echo creating src/.gdbinit
1597   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
1598 fi
1599
1600 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])