code.delx.au - gnu-emacs/blob - configure.in

   1 dnl This is an autoconf script.
   2 dnl To rebuild the `configure' script from this, execute the command
   3 dnl     autoconf
   4 dnl in the directory containing this script.
   5 AC_PREREQ(2.4.1)dnl
   6 AC_INIT(src/lisp.h)
   7 AC_CONFIG_HEADER(src/config.h:src/config.in)
   8
   9 lispdir='${datadir}/emacs/${version}/lisp'
  10 locallisppath='${datadir}/emacs/site-lisp:'\
  11 '${datadir}/emacs/${version}/site-lisp'
  12 lisppath='${locallisppath}:${lispdir}'
  13 etcdir='${datadir}/emacs/${version}/etc'
  14 lockdir='${sharedstatedir}/emacs/lock'
  15 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  16 docdir='${datadir}/emacs/${version}/etc'
  17
  18 AC_ARG_WITH(gcc,
  19 [  --with-gcc              use GCC to compile Emacs])
  20 AC_ARG_WITH(pop,
  21 [  --with-pop              support POP for mail retrieval],
  22 [AC_DEFINE(MAIL_USE_POP)])
  23 AC_ARG_WITH(kerberos,
  24 [  --with-kerberos         support Kerberos-authenticated POP],
  25 [AC_DEFINE(KERBEROS)])
  26 AC_ARG_WITH(hesiod,
  27 [  --with-hesiod           support Hesiod to get the POP server host],
  28 [AC_DEFINE(HESIOD)])
  29 dnl This should be the last --with option, because --with-x is
  30 dnl added later on when we find the path of X, and it's best to
  31 dnl keep them together visually.
  32 AC_ARG_WITH(x-toolkit,
  33 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif)],
  34 [         case "${withval}" in
  35             y | ye | yes )      val=athena ;;
  36             n | no )            val=no  ;;
  37             l | lu | luc | luci | lucid )       val=lucid ;;
  38             a | at | ath | athe | athen | athena )      val=athena ;;
  39             m | mo | mot | moti | motif )       val=motif ;;
  40 dnl These don't currently work.
  41 dnl         o | op | ope | open | open- | open-l | open-lo \
  42 dnl             | open-loo | open-look )        val=open-look ;;
  43             * )
  44 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  45 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  46 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
  47 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
  48 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  49             ;;
  50           esac
  51           with_x_toolkit=$val
  52 ])
  53
  54 #### Make srcdir absolute, if it isn't already.  It's important to
  55 #### avoid running the path through pwd unnecessary, since pwd can
  56 #### give you automounter prefixes, which can go away.  We do all this
  57 #### so Emacs can find its files when run uninstalled.
  58 case "${srcdir}" in
  59   /* ) ;;
  60   . )
  61     ## We may be able to use the $PWD environment variable to make this
  62     ## absolute.  But sometimes PWD is inaccurate.
  63     ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
  64     CDPATH=
  65     if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`"  ;
  66     then
  67       srcdir="$PWD"
  68     else
  69       srcdir="`(cd ${srcdir}; pwd)`"
  70     fi
  71   ;;
  72   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
  73 esac
  74
  75 #### Check if the source directory already has a configured system in it.
  76 if test `pwd` != `(cd ${srcdir} && pwd)` \
  77    && test -f "${srcdir}/src/config.h" ; then
  78   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
  79    as a build directory right now; it has been configured in its own
  80    right.  To configure in another directory as well, you MUST
  81    use GNU make.  If you do not have GNU make, then you must
  82    now do \`make distclean' in ${srcdir},
  83    and then run $0 again.])
  84
  85 changequote(, )dnl
  86   extrasub='/^VPATH[     ]*=/c\
  87 changequote([, ])dnl
  88 vpath %.c $(srcdir)\
  89 vpath %.h $(srcdir)\
  90 vpath %.y $(srcdir)\
  91 vpath %.l $(srcdir)\
  92 vpath %.s $(srcdir)\
  93 vpath %.in $(srcdir)'
  94 fi
  95
  96 #### Given the configuration name, set machfile and opsysfile to the
  97 #### names of the m/*.h and s/*.h files we should use.
  98
  99 ### Canonicalize the configuration name.
 100
 101 AC_CANONICAL_HOST
 102 canonical=$host
 103 configuration=$host_alias
 104
 105 changequote(, )dnl
 106
 107 ### If you add support for a new configuration, add code to this
 108 ### switch statement to recognize your configuration name and select
 109 ### the appropriate operating system and machine description files.
 110
 111 ### You would hope that you could choose an m/*.h file pretty much
 112 ### based on the machine portion of the configuration name, and an s-
 113 ### file based on the operating system portion.  However, it turns out
 114 ### that each m/*.h file is pretty manufacturer-specific - for
 115 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 116 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 117 ### machines.  So we basically have to have a special case for each
 118 ### configuration name.
 119 ###
 120 ### As far as handling version numbers on operating systems is
 121 ### concerned, make sure things will fail in a fixable way.  If
 122 ### /etc/MACHINES doesn't say anything about version numbers, be
 123 ### prepared to handle anything reasonably.  If version numbers
 124 ### matter, be sure /etc/MACHINES says something about it.
 125 ###
 126 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 127 ### "System V Release 4"; he writes, "The old convention encouraged
 128 ### confusion between `system' and `release' levels'."
 129
 130 machine='' opsys='' unported=no
 131 case "${canonical}" in
 132
 133   ## NetBSD ports
 134   *-*-netbsd* )
 135     opsys=netbsd
 136     case "${canonical}" in
 137       i[345]86-*-netbsd*) machine=intel386 ;;
 138       m68k-*-netbsd*)
 139                         # This is somewhat bogus.
 140                         machine=hp9000s300 ;;
 141       mips-*-netbsd*)   machine=pmax ;;
 142       ns32k-*-netbsd*)  machine=ns32000 ;;
 143       sparc-*-netbsd*)  machine=sparc ;;
 144     esac
 145   ;;
 146
 147   ## Acorn RISCiX:
 148   arm-acorn-riscix1.1* )
 149     machine=acorn opsys=riscix1-1
 150   ;;
 151   arm-acorn-riscix1.2* | arm-acorn-riscix )
 152     machine=acorn opsys=riscix1-2
 153   ;;
 154
 155   ## Alliant machines
 156   ## Strictly speaking, we need the version of the alliant operating
 157   ## system to choose the right machine file, but currently the
 158   ## configuration name doesn't tell us enough to choose the right
 159   ## one; we need to give alliants their own operating system name to
 160   ## do this right.  When someone cares, they can help us.
 161   fx80-alliant-* )
 162     machine=alliant4 opsys=bsd4-2
 163   ;;
 164   i860-alliant-* )
 165     machine=alliant-2800 opsys=bsd4-3
 166   ;;
 167
 168   ## Alpha (DEC) machines.
 169   alpha-dec-osf* )
 170     machine=alpha opsys=osf1
 171   ;;
 172
 173   alpha-*-linux* )
 174     machine=alpha opsys=linux
 175   ;;
 176
 177   ## Altos 3068
 178   m68*-altos-sysv* )
 179     machine=altos opsys=usg5-2
 180   ;;
 181
 182   ## Amdahl UTS
 183   580-amdahl-sysv* )
 184     machine=amdahl opsys=usg5-2-2
 185   ;;
 186
 187   ## Apollo, Domain/OS
 188   m68*-apollo-* )
 189     machine=apollo opsys=bsd4-3
 190   ;;
 191
 192   ## AT&T 3b2, 3b5, 3b15, 3b20
 193   we32k-att-sysv* )
 194     machine=att3b opsys=usg5-2-2
 195   ;;
 196
 197   ## AT&T 3b1 - The Mighty Unix PC!
 198   m68*-att-sysv* )
 199     machine=7300 opsys=usg5-2-2
 200   ;;
 201
 202   ## Bull dpx20
 203   rs6000-bull-bosx* )
 204     machine=ibmrs6000 opsys=aix3-2
 205   ;;
 206
 207   ## Bull dpx2
 208   m68*-bull-sysv3* )
 209     machine=dpx2 opsys=usg5-3
 210   ;;
 211
 212   ## Bull sps7
 213   m68*-bull-sysv2* )
 214     machine=sps7 opsys=usg5-2
 215   ;;
 216
 217   ## CCI 5/32, 6/32 -- see "Tahoe".
 218
 219   ## Celerity
 220   ## I don't know what configuration name to use for this; config.sub
 221   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 222   ## in touch with us!
 223   celerity-celerity-bsd* )
 224     machine=celerity opsys=bsd4-2
 225   ;;
 226
 227   ## Clipper
 228   ## What operating systems does this chip run that Emacs has been
 229   ## tested on?
 230   clipper-* )
 231     machine=clipper
 232     ## We'll use the catch-all code at the bottom to guess the
 233     ## operating system.
 234   ;;
 235
 236   ## Convex
 237   *-convex-bsd* | *-convex-convexos* )
 238     machine=convex opsys=bsd4-3
 239     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 240     NON_GNU_CPP="cc -E -P"
 241   ;;
 242
 243   ## Cubix QBx/386
 244   i[345]86-cubix-sysv* )
 245     machine=intel386 opsys=usg5-3
 246   ;;
 247
 248   ## Cydra 5
 249   cydra*-cydrome-sysv* )
 250     machine=cydra5 opsys=usg5-3
 251   ;;
 252
 253   ## Data General AViiON Machines
 254   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 255     machine=aviion opsys=dgux5-4r3
 256   ;;
 257   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 258     machine=aviion opsys=dgux5-4r2
 259   ;;
 260   m88k-dg-dgux* )
 261     machine=aviion opsys=dgux
 262   ;;
 263
 264   ## DECstations
 265   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 266     machine=pmax opsys=bsd4-2
 267   ;;
 268   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 269     machine=pmax opsys=bsd4-3
 270   ;;
 271   mips-dec-ultrix* )
 272     machine=pmax opsys=ultrix4-3
 273   ;;
 274   mips-dec-osf* )
 275     machine=pmax opsys=osf1
 276   ;;
 277   mips-dec-mach_bsd4.3* )
 278     machine=pmax opsys=mach-bsd4-3
 279   ;;
 280
 281   ## Motorola Delta machines
 282   m68k-motorola-sysv* | m68000-motorola-sysv* )
 283     machine=delta opsys=usg5-3
 284     if test -z "`type gnucc | grep 'not found'`"
 285     then
 286       if test -s /etc/167config
 287       then CC="gnucc -m68040"
 288       else CC="gnucc -m68881"
 289       fi
 290     else
 291       if test -z "`type gcc | grep 'not found'`"
 292       then CC=gcc
 293       else CC=cc
 294       fi
 295     fi
 296   ;;
 297   m88k-motorola-sysv4* )
 298     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 299     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 300     # I hope there are not other 4.0 versions for this machine
 301     # which really need usg5-4 instead.
 302     machine=delta88k opsys=usg5-4-2
 303   ;;
 304   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 305     machine=delta88k opsys=usg5-3
 306   ;;
 307
 308   ## Dual machines
 309   m68*-dual-sysv* )
 310     machine=dual opsys=usg5-2
 311   ;;
 312   m68*-dual-uniplus* )
 313     machine=dual opsys=unipl5-2
 314   ;;
 315
 316   ## Elxsi 6400
 317   elxsi-elxsi-sysv* )
 318     machine=elxsi opsys=usg5-2
 319   ;;
 320
 321   ## Encore machines
 322   ns16k-encore-bsd* )
 323     machine=ns16000 opsys=umax
 324   ;;
 325
 326   ## The GEC 93 - apparently, this port isn't really finished yet.
 327
 328   ## Gould Power Node and NP1
 329   pn-gould-bsd4.2* )
 330     machine=gould opsys=bsd4-2
 331   ;;
 332   pn-gould-bsd4.3* )
 333     machine=gould opsys=bsd4-3
 334   ;;
 335   np1-gould-bsd* )
 336     machine=gould-np1 opsys=bsd4-3
 337   ;;
 338
 339   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 340   ## as far as Emacs is concerned).
 341   m88k-harris-cxux* )
 342     # Build needs to be different on 7.0 and later releases
 343     case "`uname -r`" in
 344        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 345        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 346     esac
 347     NON_GNU_CPP="/lib/cpp"
 348   ;;
 349   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 350   m68k-harris-cxux* )
 351     machine=nh3000 opsys=cxux
 352   ;;
 353   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 354   powerpc-harris-powerunix )
 355     machine=nh6000 opsys=powerunix
 356     NON_GNU_CPP="cc -Xo -E -P"
 357   ;;
 358
 359   ## Honeywell XPS100
 360   xps*-honeywell-sysv* )
 361     machine=xps100 opsys=usg5-2
 362   ;;
 363
 364   ## HP 9000 series 200 or 300
 365   m68*-hp-bsd* )
 366     machine=hp9000s300 opsys=bsd4-3
 367   ;;
 368   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 369   m68*-hp-hpux* )
 370     case "`uname -r`" in
 371       ## Someone's system reports A.B8.05 for this.
 372       ## I wonder what other possibilities there are.
 373       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 374       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 375       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 376       *.10.* ) machine=hp9000s300 opsys=hpux9shr ;;
 377       *) machine=hp9000s300 opsys=hpux ;;
 378     esac
 379   ;;
 380
 381   ## HP 9000 series 700 and 800, running HP/UX
 382   hppa*-hp-hpux7* )
 383     machine=hp800 opsys=hpux
 384   ;;
 385   hppa*-hp-hpux8* )
 386     machine=hp800 opsys=hpux8
 387   ;;
 388   hppa*-hp-hpux9shr* )
 389     machine=hp800 opsys=hpux9shr
 390   ;;
 391   hppa*-hp-hpux9* )
 392     machine=hp800 opsys=hpux9
 393   ;;
 394   hppa*-hp-hpux10* )
 395     machine=hp800 opsys=hpux10
 396   ;;
 397
 398   ## HP 9000 series 700 and 800, running HP/UX
 399   hppa*-hp-hpux* )
 400     ## Cross-compilation?  Nah!
 401     case "`uname -r`" in
 402       ## Someone's system reports A.B8.05 for this.
 403       ## I wonder what other possibilities there are.
 404       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 405       *.08.* ) machine=hp800 opsys=hpux8 ;;
 406       *.09.* ) machine=hp800 opsys=hpux9 ;;
 407       *) machine=hp800 opsys=hpux ;;
 408     esac
 409   ;;
 410
 411   ## Orion machines
 412   orion-orion-bsd* )
 413     machine=orion opsys=bsd4-2
 414   ;;
 415   clipper-orion-bsd* )
 416     machine=orion105 opsys=bsd4-2
 417   ;;
 418
 419   ## IBM machines
 420   i[345]86-ibm-aix1.1* )
 421     machine=ibmps2-aix opsys=usg5-2-2
 422   ;;
 423   i[345]86-ibm-aix1.[23]* | i[345]86-ibm-aix* )
 424     machine=ibmps2-aix opsys=usg5-3
 425   ;;
 426   i370-ibm-aix*)
 427     machine=ibm370aix opsys=usg5-3
 428   ;;
 429   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 430     machine=ibmrs6000 opsys=aix3-1
 431   ;;
 432   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 433     machine=ibmrs6000 opsys=aix3-2-5
 434   ;;
 435   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 436     machine=ibmrs6000 opsys=aix4-1
 437   ;;
 438   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 439     machine=ibmrs6000 opsys=aix4
 440   ;;
 441   rs6000-ibm-aix* | powerpc-ibm-aix* )
 442     machine=ibmrs6000 opsys=aix3-2
 443   ;;
 444   romp-ibm-bsd4.3* )
 445     machine=ibmrt opsys=bsd4-3
 446   ;;
 447   romp-ibm-bsd4.2* )
 448     machine=ibmrt opsys=bsd4-2
 449   ;;
 450   romp-ibm-aos4.3* )
 451     machine=ibmrt opsys=bsd4-3
 452   ;;
 453   romp-ibm-aos4.2* )
 454     machine=ibmrt opsys=bsd4-2
 455   ;;
 456   romp-ibm-aos* )
 457     machine=ibmrt opsys=bsd4-3
 458   ;;
 459   romp-ibm-bsd* )
 460     machine=ibmrt opsys=bsd4-3
 461   ;;
 462   romp-ibm-aix* )
 463     machine=ibmrt-aix opsys=usg5-2-2
 464   ;;
 465
 466   ## Integrated Solutions `Optimum V'
 467   m68*-isi-bsd4.2* )
 468     machine=isi-ov opsys=bsd4-2
 469   ;;
 470   m68*-isi-bsd4.3* )
 471     machine=isi-ov opsys=bsd4-3
 472   ;;
 473
 474   ## Intel 386 machines where we do care about the manufacturer
 475   i[345]86-intsys-sysv* )
 476     machine=is386 opsys=usg5-2-2
 477   ;;
 478
 479   ## Prime EXL
 480   i[345]86-prime-sysv* )
 481     machine=i386 opsys=usg5-3
 482   ;;
 483
 484   ## Sequent Symmetry running Dynix
 485   i[345]86-sequent-bsd* )
 486     machine=symmetry opsys=bsd4-3
 487   ;;
 488
 489   ## Sequent Symmetry running DYNIX/ptx
 490   ## Use the old cpp rather than the newer ANSI one.
 491   i[345]86-sequent-ptx* )
 492     machine=sequent-ptx opsys=ptx
 493     NON_GNU_CPP="/lib/cpp"
 494   ;;
 495
 496   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 497   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 498   i[345]86-ncr-sysv* )
 499     machine=ncr386 opsys=usg5-4-2
 500   ;;
 501
 502   ## Intel Paragon OSF/1
 503   i860-intel-osf1* )
 504     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 505   ;;
 506
 507   ## Intel 860
 508   i860-*-sysv4* )
 509     machine=i860 opsys=usg5-4
 510     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 511     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 512   ;;
 513
 514   ## Masscomp machines
 515   m68*-masscomp-rtu* )
 516     machine=masscomp opsys=rtu
 517   ;;
 518
 519   ## Megatest machines
 520   m68*-megatest-bsd* )
 521     machine=mega68 opsys=bsd4-2
 522   ;;
 523
 524   ## Workstations sold by MIPS
 525   ## This is not necessarily all workstations using the MIPS processor -
 526   ## Irises are produced by SGI, and DECstations by DEC.
 527
 528   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 529   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 530   ## it gives for choosing between the alternatives seems to be "Use
 531   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 532   ## the BSD world."  I'll assume that these are instructions for
 533   ## handling two odd situations, and that every other situation
 534   ## should use mips.h and usg5-2-2, they being listed first.
 535   mips-mips-usg* )
 536     machine=mips4
 537     ## Fall through to the general code at the bottom to decide on the OS.
 538   ;;
 539   mips-mips-riscos4* )
 540     machine=mips4 opsys=bsd4-3
 541     NON_GNU_CC="cc -systype bsd43"
 542     NON_GNU_CPP="cc -systype bsd43 -E"
 543   ;;
 544   mips-mips-riscos5* )
 545     machine=mips4 opsys=riscos5
 546     NON_GNU_CC="cc -systype bsd43"
 547     NON_GNU_CPP="cc -systype bsd43 -E"
 548   ;;
 549   mips-mips-bsd* )
 550     machine=mips opsys=bsd4-3
 551   ;;
 552   mips-mips-* )
 553     machine=mips opsys=usg5-2-2
 554   ;;
 555
 556   ## NeXT
 557   m68*-next-* | m68k-*-nextstep* )
 558     machine=m68k opsys=nextstep
 559   ;;
 560
 561   ## The complete machine from National Semiconductor
 562   ns32k-ns-genix* )
 563     machine=ns32000 opsys=usg5-2
 564   ;;
 565
 566   ## NCR machines
 567   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 568     machine=tower32 opsys=usg5-2-2
 569   ;;
 570   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 571     machine=tower32v3 opsys=usg5-3
 572   ;;
 573
 574   ## Nixdorf Targon 31
 575   m68*-nixdorf-sysv* )
 576     machine=targon31 opsys=usg5-2-2
 577   ;;
 578
 579   ## Nu (TI or LMI)
 580   m68*-nu-sysv* )
 581     machine=nu opsys=usg5-2
 582   ;;
 583
 584   ## Plexus
 585   m68*-plexus-sysv* )
 586     machine=plexus opsys=usg5-2
 587   ;;
 588
 589   ## Pyramid machines
 590   ## I don't really have any idea what sort of processor the Pyramid has,
 591   ## so I'm assuming it is its own architecture.
 592   pyramid-pyramid-bsd* )
 593     machine=pyramid opsys=bsd4-2
 594   ;;
 595
 596   ## Sequent Balance
 597   ns32k-sequent-bsd4.2* )
 598     machine=sequent opsys=bsd4-2
 599   ;;
 600   ns32k-sequent-bsd4.3* )
 601     machine=sequent opsys=bsd4-3
 602   ;;
 603
 604   ## Siemens Nixdorf
 605   mips-siemens-sysv* | mips-sni-sysv*)
 606     machine=mips-siemens opsys=usg5-4
 607     NON_GNU_CC=/usr/ccs/bin/cc
 608     NON_GNU_CPP=/usr/ccs/lib/cpp
 609   ;;
 610
 611   ## Silicon Graphics machines
 612   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 613   m68*-sgi-iris3.5* )
 614     machine=irist opsys=iris3-5
 615   ;;
 616   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 617     machine=irist opsys=iris3-6
 618   ;;
 619   ## Iris 4D
 620   mips-sgi-irix3* )
 621     machine=iris4d opsys=irix3-3
 622   ;;
 623   mips-sgi-irix4* )
 624     machine=iris4d opsys=irix4-0
 625   ;;
 626   mips-sgi-irix6* )
 627     machine=iris4d opsys=irix6-0  NON_GNU_CPP=/lib/cpp
 628   ;;
 629   mips-sgi-irix5.[01]* )
 630     machine=iris4d opsys=irix5-0
 631   ;;
 632   mips-sgi-irix5* | mips-sgi-irix* )
 633     machine=iris4d opsys=irix5-2
 634   ;;
 635
 636   ## SONY machines
 637   m68*-sony-bsd4.2* )
 638     machine=news opsys=bsd4-2
 639   ;;
 640   m68*-sony-bsd4.3* )
 641     machine=news opsys=bsd4-3
 642   ;;
 643   m68*-sony-newsos3* | m68*-sony-news3*)
 644     machine=news opsys=bsd4-3
 645   ;;
 646   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 647     machine=news-risc opsys=bsd4-3
 648   ;;
 649   mips-sony-news* )
 650     machine=news-risc opsys=newsos5
 651   ;;
 652
 653   ## Stride
 654   m68*-stride-sysv* )
 655     machine=stride opsys=usg5-2
 656   ;;
 657
 658   ## Suns
 659   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 660     | i[345]86-*-solaris2* | i[345]86-*-sunos5* | powerpc*-*-solaris2* \
 661     | rs6000-*-solaris2*)
 662     case "${canonical}" in
 663       m68*-sunos1* )    machine=sun1 ;;
 664       m68*-sunos2* )    machine=sun2 ;;
 665       m68* )            machine=sun3 ;;
 666       i[345]86-sun-sunos[34]* ) machine=sun386 ;;
 667       i[345]86-*-* )     machine=intel386 ;;
 668       powerpc* | rs6000* )  machine=rs6000 ;;
 669       sparc* )          machine=sparc ;;
 670       * )               unported=yes ;;
 671     esac
 672     case "${canonical}" in
 673       ## The Sun386 didn't get past 4.0.
 674       i[345]86-*-sunos4   ) opsys=sunos4-0 ;;
 675       *-sunos4.0*         ) opsys=sunos4-0 ;;
 676       *-sunos4.1.[3-9]* | *-sunos4shr*)
 677                 opsys=sunos4shr
 678                 NON_GNU_CPP=/usr/lib/cpp
 679                 ;;
 680       *-sunos4.1.[3-9]*-noshare )
 681                 opsys=sunos4-1-3
 682                 NON_GNU_CPP=/usr/lib/cpp
 683                 NON_GCC_TEST_OPTIONS=-Bstatic
 684                 GCC_TEST_OPTIONS=-static
 685                 ;;
 686       *-sunos4* | *-sunos )
 687                 opsys=sunos4-1
 688                 NON_GCC_TEST_OPTIONS=-Bstatic
 689                 GCC_TEST_OPTIONS=-static
 690                 ;;
 691       *-sunos5.3* | *-solaris2.3* )
 692                 opsys=sol2-3
 693                 NON_GNU_CPP=/usr/ccs/lib/cpp
 694                 ;;
 695       *-sunos5.4* | *-solaris2.4* )
 696                 opsys=sol2-4
 697                 NON_GNU_CPP=/usr/ccs/lib/cpp
 698                 RANLIB="ar -ts"
 699                 ;;
 700       *-sunos5.5* | *-solaris2.5* )
 701                 opsys=sol2-5
 702                 NON_GNU_CPP=/usr/ccs/lib/cpp
 703                 RANLIB="ar -ts"
 704                 ;;
 705       *-sunos5* | *-solaris* )
 706                 opsys=sol2-4
 707                 NON_GNU_CPP=/usr/ccs/lib/cpp
 708                 ;;
 709       *                   ) opsys=bsd4-2   ;;
 710     esac
 711   ;;
 712   sparc-*-nextstep* )
 713     machine=sparc opsys=nextstep
 714   ;;
 715
 716   ## Tadpole 68k
 717   m68*-tadpole-sysv* )
 718     machine=tad68k opsys=usg5-3
 719   ;;
 720
 721   ## Tahoe machines
 722   tahoe-tahoe-bsd4.2* )
 723     machine=tahoe opsys=bsd4-2
 724   ;;
 725   tahoe-tahoe-bsd4.3* )
 726     machine=tahoe opsys=bsd4-3
 727   ;;
 728
 729   ## Tandem Integrity S2
 730   mips-tandem-sysv* )
 731     machine=tandem-s2 opsys=usg5-3
 732   ;;
 733
 734   ## Tektronix XD88
 735   m88k-tektronix-sysv3* )
 736   machine=tekxd88 opsys=usg5-3
 737   ;;
 738
 739   ## Tektronix 16000 box (6130?)
 740   ns16k-tektronix-bsd* )
 741     machine=ns16000 opsys=bsd4-2
 742   ;;
 743   ## Tektronix 4300
 744   ## src/m/tek4300.h hints that this is a m68k machine.
 745   m68*-tektronix-bsd* )
 746     machine=tek4300 opsys=bsd4-3
 747   ;;
 748
 749   ## Titan P2 or P3
 750   ## We seem to have lost the machine-description file titan.h!
 751   titan-titan-sysv* )
 752     machine=titan opsys=usg5-3
 753   ;;
 754
 755   ## Ustation E30 (SS5E)
 756   m68*-unisys-uniplus* )
 757     machine=ustation opsystem=unipl5-2
 758   ;;
 759
 760   ## Vaxen.
 761   vax-dec-* )
 762     machine=vax
 763     case "${canonical}" in
 764       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 765       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 766       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 767       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 768       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 769       *-vms* )                                          opsys=vms ;;
 770       * )                                               unported=yes
 771     esac
 772   ;;
 773
 774   ## Whitechapel MG1
 775   ns16k-whitechapel-* )
 776     machine=mg1
 777     ## We don't know what sort of OS runs on these; we'll let the
 778     ## operating system guessing code below try.
 779   ;;
 780
 781   ## Wicat
 782   m68*-wicat-sysv* )
 783     machine=wicat opsys=usg5-2
 784   ;;
 785
 786   ## Intel 386 machines where we don't care about the manufacturer
 787   i[345]86-*-* )
 788     machine=intel386
 789     case "${canonical}" in
 790       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 791       *-isc2.2* )               opsys=isc2-2 ;;
 792       *-isc4.0* )               opsys=isc4-0 ;;
 793       *-isc4.* )                opsys=isc4-1
 794                                 GCC_TEST_OPTIONS=-posix
 795                                 NON_GCC_TEST_OPTIONS=-Xp
 796                                 ;;
 797       *-isc* )                  opsys=isc3-0 ;;
 798       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 799       *-esix* )                 opsys=esix ;;
 800       *-xenix* )                opsys=xenix ;;
 801       *-linux* )                opsys=linux ;;
 802       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 803       *-bsd386* | *-bsdi1* )    opsys=bsd386 ;;
 804       *-bsdi2* )                opsys=bsdos2 ;;
 805       *-386bsd* )               opsys=386bsd ;;
 806       *-freebsd* )              opsys=freebsd ;;
 807       *-nextstep* )             opsys=nextstep ;;
 808       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 809     esac
 810   ;;
 811
 812   ## Linux/68k
 813   m68k-*-linux* )
 814     machine=m68k opsys=linux
 815   ;;
 816
 817   * )
 818     unported=yes
 819   ;;
 820 esac
 821
 822 ### If the code above didn't choose an operating system, just choose
 823 ### an operating system based on the configuration name.  You really
 824 ### only want to use this when you have no idea what the right
 825 ### operating system is; if you know what operating systems a machine
 826 ### runs, it's cleaner to make it explicit in the case statement
 827 ### above.
 828 if test x"${opsys}" = x; then
 829   case "${canonical}" in
 830     *-gnu* )                            opsys=gnu ;;
 831     *-bsd4.[01] )                       opsys=bsd4-1 ;;
 832     *-bsd4.2 )                          opsys=bsd4-2 ;;
 833     *-bsd4.3 )                          opsys=bsd4-3 ;;
 834     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
 835     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
 836     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
 837     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
 838     *-sysv4.1* | *-sysvr4.1* )
 839         NON_GNU_CPP=/usr/lib/cpp
 840         opsys=usg5-4 ;;
 841     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
 842         if [ x$NON_GNU_CPP = x ]; then
 843           NON_GNU_CPP=/usr/ccs/lib/cpp
 844         fi
 845         opsys=usg5-4-2 ;;
 846     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
 847     * )
 848       unported=yes
 849     ;;
 850   esac
 851 fi
 852
 853 if test "x$RANLIB" = x; then
 854   RANLIB=ranlib
 855 fi
 856
 857 changequote([, ])dnl
 858
 859 if test $unported = yes; then
 860   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
 861 Check \`etc/MACHINES' for recognized configuration names.])
 862 fi
 863
 864 machfile="m/${machine}.h"
 865 opsysfile="s/${opsys}.h"
 866
 867
 868 #### Choose a compiler.
 869 test -n "$CC" && cc_specified=yes
 870
 871 # Save the value of CFLAGS that the user specified.
 872 SPECIFIED_CFLAGS="$CFLAGS"
 873
 874 case ${with_gcc} in
 875   "yes" ) CC="gcc" GCC=yes ;;
 876   "no"  ) : ${CC=cc} ;;
 877   * ) AC_PROG_CC
 878 esac
 879
 880 # On Suns, sometimes $CPP names a directory.
 881 if test -n "$CPP" && test -d "$CPP"; then
 882   CPP=
 883 fi
 884
 885 #### Some systems specify a CPP to use unless we are using GCC.
 886 #### Now that we know whether we are using GCC, we can decide whether
 887 #### to use that one.
 888 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
 889 then
 890   CPP="$NON_GNU_CPP"
 891 fi
 892
 893 #### Some systems specify a CC to use unless we are using GCC.
 894 #### Now that we know whether we are using GCC, we can decide whether
 895 #### to use that one.
 896 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
 897   test x$cc_specified != xyes
 898 then
 899   CC="$NON_GNU_CC"
 900 fi
 901
 902 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
 903 then
 904   CC="$CC $GCC_TEST_OPTIONS"
 905 fi
 906
 907 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
 908 then
 909   CC="$CC $NON_GCC_TEST_OPTIONS"
 910 fi
 911
 912 #### Some other nice autoconf tests.  If you add a test here which
 913 #### should make an entry in src/config.h, don't forget to add an
 914 #### #undef clause to src/config.h.in for autoconf to modify.
 915
 916 dnl checks for programs
 917 AC_PROG_LN_S
 918 AC_PROG_CPP
 919 AC_PROG_INSTALL
 920 AC_PROG_YACC
 921
 922 dnl checks for Unix variants
 923 AC_AIX
 924
 925 dnl checks for header files
 926 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h)
 927 AC_HEADER_STDC
 928 AC_HEADER_TIME
 929 AC_DECL_SYS_SIGLIST
 930
 931 dnl Some systems have utime.h but don't declare the struct anyplace.
 932 AC_MSG_CHECKING(for struct utimbuf)
 933 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
 934 #include <sys/time.h>
 935 #include <time.h>
 936 #else
 937 #ifdef HAVE_SYS_TIME_H
 938 #include <sys/time.h>
 939 #else
 940 #include <time.h>
 941 #endif
 942 #endif
 943 #ifdef HAVE_UTIME_H
 944 #include <utime.h>
 945 #endif], [static struct utimbuf x; x.actime = x.modtime;],
 946   [AC_MSG_RESULT(yes)
 947    AC_DEFINE(HAVE_STRUCT_UTIMBUF)],
 948   AC_MSG_RESULT(no))
 949
 950 dnl checks for typedefs
 951 AC_TYPE_SIGNAL
 952
 953 AC_MSG_CHECKING(for struct timeval)
 954 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
 955 #include <sys/time.h>
 956 #include <time.h>
 957 #else
 958 #ifdef HAVE_SYS_TIME_H
 959 #include <sys/time.h>
 960 #else
 961 #include <time.h>
 962 #endif
 963 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
 964   [AC_MSG_RESULT(yes)
 965    HAVE_TIMEVAL=yes
 966    AC_DEFINE(HAVE_TIMEVAL)],
 967   AC_MSG_RESULT(no))
 968
 969 dnl checks for structure members
 970 AC_STRUCT_TM
 971 AC_STRUCT_TIMEZONE
 972
 973 dnl checks for compiler characteristics
 974 AC_C_CONST
 975
 976 dnl check for Make feature
 977 AC_PROG_MAKE_SET
 978
 979 dnl checks for operating system services
 980 AC_SYS_LONG_FILE_NAMES
 981
 982 #### Choose a window system.
 983
 984 AC_PATH_X
 985 if test "$no_x" = yes; then
 986   window_system=none
 987 else
 988   window_system=x11
 989 fi
 990
 991 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
 992   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
 993   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
 994 fi
 995 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
 996   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
 997 fi
 998
 999 if test x"${x_includes}" = x; then
1000   bitmapdir=/usr/include/X11/bitmaps
1001 else
1002   # accumulate include directories that have X11 bitmap subdirectories
1003   bmd_acc="dummyval"
1004   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1005     if test -d "${bmd}/X11/bitmaps"; then
1006       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1007     elif test -d "${bmd}/bitmaps"; then
1008       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1009     fi
1010   done
1011   if test ${bmd_acc} != "dummyval"; then
1012     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1013   fi
1014 fi
1015
1016 case "${window_system}" in
1017   x11 )
1018     HAVE_X_WINDOWS=yes
1019     HAVE_X11=yes
1020     case "${with_x_toolkit}" in
1021       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1022       motif ) USE_X_TOOLKIT=MOTIF ;;
1023 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1024       * ) USE_X_TOOLKIT=none ;;
1025     esac
1026   ;;
1027   none )
1028     HAVE_X_WINDOWS=no
1029     HAVE_X11=no
1030     USE_X_TOOLKIT=none
1031   ;;
1032 esac
1033 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1034
1035 ### If we're using X11, we should use the X menu package.
1036 HAVE_MENUS=no
1037 case ${HAVE_X11} in
1038   yes ) HAVE_MENUS=yes ;;
1039 esac
1040
1041 if test "${opsys}" = "hpux9"; then
1042   case "${x_libraries}" in
1043     *X11R4* )
1044       opsysfile="s/hpux9-x11r4.h"
1045       ;;
1046   esac
1047 fi
1048
1049 if test "${opsys}" = "hpux9shr"; then
1050   case "${x_libraries}" in
1051     *X11R4* )
1052       opsysfile="s/hpux9shxr4.h"
1053       ;;
1054   esac
1055 fi
1056
1057 #### Extract some information from the operating system and machine files.
1058
1059 AC_CHECKING([the machine- and system-dependent files to find out
1060  - which libraries the lib-src programs will want, and
1061  - whether the GNU malloc routines are usable])
1062
1063 ### First figure out CFLAGS (which we use for running the compiler here)
1064 ### and REAL_CFLAGS (which we use for real compilation).
1065 ### The two are the same except on a few systems, where they are made
1066 ### different to work around various lossages.  For example,
1067 ### GCC 2.5 on Linux needs them to be different because it treats -g
1068 ### as implying static linking.
1069
1070 ### If the CFLAGS env var is specified, we use that value
1071 ### instead of the default.
1072
1073 ### It's not important that this name contain the PID; you can't run
1074 ### two configures in the same directory and have anything work
1075 ### anyway.
1076 tempcname="conftest.c"
1077
1078 echo '
1079 #include "'${srcdir}'/src/'${opsysfile}'"
1080 #include "'${srcdir}'/src/'${machfile}'"
1081 #ifndef LIBS_MACHINE
1082 #define LIBS_MACHINE
1083 #endif
1084 #ifndef LIBS_SYSTEM
1085 #define LIBS_SYSTEM
1086 #endif
1087 #ifndef C_SWITCH_SYSTEM
1088 #define C_SWITCH_SYSTEM
1089 #endif
1090 #ifndef C_SWITCH_MACHINE
1091 #define C_SWITCH_MACHINE
1092 #endif
1093 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1094 configure___ c_switch_system=C_SWITCH_SYSTEM
1095 configure___ c_switch_machine=C_SWITCH_MACHINE
1096
1097 #ifndef LIB_X11_LIB
1098 #define LIB_X11_LIB -lX11
1099 #endif
1100
1101 #ifndef LIBX11_MACHINE
1102 #define LIBX11_MACHINE
1103 #endif
1104
1105 #ifndef LIBX11_SYSTEM
1106 #define LIBX11_SYSTEM
1107 #endif
1108 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1109
1110 #ifdef UNEXEC
1111 configure___ unexec=UNEXEC
1112 #else
1113 configure___ unexec=unexec.o
1114 #endif
1115
1116 #ifdef SYSTEM_MALLOC
1117 configure___ system_malloc=yes
1118 #else
1119 configure___ system_malloc=no
1120 #endif
1121
1122 #ifndef C_DEBUG_SWITCH
1123 #define C_DEBUG_SWITCH -g
1124 #endif
1125
1126 #ifndef C_OPTIMIZE_SWITCH
1127 #define C_OPTIMIZE_SWITCH -O
1128 #endif
1129
1130 #ifdef THIS_IS_CONFIGURE
1131
1132 /* Get the CFLAGS for tests in configure.  */
1133 #ifdef __GNUC__
1134 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1135 #else
1136 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1137 #endif
1138
1139 #else /* not THIS_IS_CONFIGURE */
1140
1141 /* Get the CFLAGS for real compilation.  */
1142 #ifdef __GNUC__
1143 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1144 #else
1145 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1146 #endif
1147
1148 #endif /* not THIS_IS_CONFIGURE */
1149 ' > ${tempcname}
1150
1151 # The value of CPP is a quoted variable reference, so we need to do this
1152 # to get its actual value...
1153 CPP=`eval "echo $CPP"`
1154 changequote(, )dnl
1155 eval `${CPP} -Isrc ${tempcname} \
1156        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1157 if test "x$SPECIFIED_CFLAGS" = x; then
1158   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1159          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1160 else
1161   REAL_CFLAGS="$CFLAGS"
1162 fi
1163 changequote([, ])dnl
1164 rm ${tempcname}
1165
1166 ### Compute the unexec source name from the object name.
1167 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1168
1169 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1170 # Assume not, until told otherwise.
1171 GNU_MALLOC=yes
1172 if test "${system_malloc}" = "yes"; then
1173   GNU_MALLOC=no
1174   GNU_MALLOC_reason="
1175   (The GNU allocators don't work with this system configuration.)"
1176 fi
1177
1178 if test x"${REL_ALLOC}" = x; then
1179   REL_ALLOC=${GNU_MALLOC}
1180 fi
1181
1182 LISP_FLOAT_TYPE=yes
1183
1184
1185 #### Add the libraries to LIBS and check for some functions.
1186
1187 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1188 LIBS="$libsrc_libs $LIBS"
1189
1190 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1191 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1192 AC_CHECK_LIB(dnet, dnet_ntoa)
1193 dnl This causes -lresolv to get used in subsequent tests,
1194 dnl which causes failures on some systems such as HPUX 9.
1195 dnl AC_CHECK_LIB(resolv, gethostbyname)
1196
1197 dnl FIXME replace main with a function we actually want from this library.
1198 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1199
1200 AC_CHECK_LIB(pthreads, cma_open)
1201
1202 AC_MSG_CHECKING(for XFree86)
1203 if test -d /usr/X386/include; then
1204   HAVE_XFREE386=yes
1205   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1206 else
1207   HAVE_XFREE386=no
1208 fi
1209 AC_MSG_RESULT($HAVE_XFREE386)
1210
1211 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1212 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1213
1214 if test "${HAVE_X11}" = "yes"; then
1215   DEFS="$C_SWITCH_X_SITE $DEFS"
1216   LIBS="$LD_SWITCH_X_SITE $LIBX $LIBS"
1217   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1218
1219   if test "${opsys}" = "linux"; then
1220     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1221     AC_TRY_LINK([],
1222      [XOpenDisplay ("foo");],
1223      [xlinux_first_failure=no],
1224      [xlinux_first_failure=yes])
1225     if test "${xlinux_first_failure}" = "yes"; then
1226       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1227       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1228       OLD_CPPFLAGS="$CPPFLAGS"
1229       OLD_LIBS="$LIBS"
1230       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1231       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1232       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1233       LIBS="$LIBS -b i486-linuxaout"
1234       AC_TRY_LINK([],
1235        [XOpenDisplay ("foo");],
1236        [xlinux_second_failure=no],
1237        [xlinux_second_failure=yes])
1238       if test "${xlinux_second_failure}" = "yes"; then
1239         # If we get the same failure with -b, there is no use adding -b.
1240         # So take it out.  This plays safe.
1241         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1242         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1243         CPPFLAGS="$OLD_CPPFLAGS"
1244         LIBS="$OLD_LIBS"
1245         AC_MSG_RESULT(no)
1246       else
1247         AC_MSG_RESULT(yes)
1248       fi
1249     else
1250       AC_MSG_RESULT(no)
1251     fi
1252   fi
1253
1254   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1255 XScreenNumberOfScreen XSetWMProtocols)
1256   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1257 fi
1258
1259 if test "${window_system}" = "x11"; then
1260   AC_MSG_CHECKING(X11 version)
1261   AC_TRY_LINK([#include <X11/Xlib.h>],
1262 [#if XlibSpecificationRelease < 6
1263 fail;
1264 #endif
1265 ], [AC_MSG_RESULT(6)
1266     AC_DEFINE(HAVE_X11R6)],
1267    [AC_MSG_RESULT(not 6)])
1268 fi
1269
1270 if test "${USE_X_TOOLKIT}" != "none"; then
1271   AC_MSG_CHECKING(X11 toolkit version)
1272   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1273 [#if XtSpecificationRelease < 6
1274 fail;
1275 #endif
1276 ], [AC_MSG_RESULT(6)
1277     AC_DEFINE(HAVE_X11XTR6)],
1278    [AC_MSG_RESULT(not 6)])
1279 fi
1280
1281 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1282 AC_MSG_CHECKING(whether netdb declares h_errno)
1283 AC_TRY_LINK([#include <netdb.h>],
1284   [return h_errno;],
1285   [AC_MSG_RESULT(yes)
1286    AC_DEFINE(HAVE_H_ERRNO)],
1287   [AC_MSG_RESULT(no)])
1288
1289 AC_FUNC_ALLOCA
1290
1291 # fmod, logb, and frexp are found in -lm on most systems.
1292 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1293 AC_CHECK_LIB(m, sqrt(0.0) + t)
1294 AC_CHECK_FUNCS(gettimeofday gethostname dup2 rename closedir mkdir rmdir \
1295 random lrand48 bcopy bcmp logb frexp fmod ftime res_init setsid \
1296 strerror fpathconf select mktime eaccess getpagesize tzset)
1297
1298 AC_MSG_CHECKING(whether localtime caches TZ)
1299 AC_CACHE_VAL(emacs_cv_localtime_cache,
1300 [if test $ac_cv_func_tzset = yes; then
1301 AC_TRY_RUN([#include <time.h>
1302 #if STDC_HEADERS
1303 # include <stdlib.h>
1304 #endif
1305 main()
1306 {
1307   time_t now = time ((time_t *) 0);
1308   int hour;
1309   if (putenv ("TZ=GMT0") != 0)
1310     exit (1);
1311   hour = localtime (&now)->tm_hour;
1312   if (putenv ("TZ=PST8") != 0)
1313     exit (1);
1314   exit (localtime (&now)->tm_hour == hour);
1315 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1316 [# If we have tzset, assume the worst when cross-compiling.
1317 emacs_cv_localtime_cache=yes])
1318 else
1319         # If we lack tzset, report that localtime does not cache TZ,
1320         # since we can't invalidate the cache if we don't have tzset.
1321         emacs_cv_localtime_cache=no
1322 fi])dnl
1323 AC_MSG_RESULT($emacs_cv_localtime_cache)
1324 if test $emacs_cv_localtime_cache = yes; then
1325   AC_DEFINE(LOCALTIME_CACHE)
1326 fi
1327
1328 if test "x$HAVE_TIMEVAL" = xyes; then
1329 AC_MSG_CHECKING(whether gettimeofday can't accept two arguments)
1330 AC_TRY_LINK([
1331 #ifdef TIME_WITH_SYS_TIME
1332 #include <sys/time.h>
1333 #include <time.h>
1334 #else
1335 #ifdef HAVE_SYS_TIME_H
1336 #include <sys/time.h>
1337 #else
1338 #include <time.h>
1339 #endif
1340 #endif
1341   ],
1342   [
1343   struct timeval time;
1344   struct timezone dummy;
1345   gettimeofday (&time, &dummy);
1346 ],
1347   [AC_MSG_RESULT(no)],
1348   [AC_MSG_RESULT(yes)
1349    AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)])
1350 fi
1351
1352 ok_so_far=yes
1353 AC_CHECK_FUNC(socket, , ok_so_far=no)
1354 if test $ok_so_far = yes; then
1355   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1356 fi
1357 if test $ok_so_far = yes; then
1358   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1359 fi
1360 if test $ok_so_far = yes; then
1361   AC_DEFINE(HAVE_INET_SOCKETS)
1362 fi
1363
1364 if test -f /usr/lpp/X11/bin/smt.exp; then
1365   AC_DEFINE(HAVE_AIX_SMT_EXP)
1366 fi
1367
1368 # Set up the CFLAGS for real compilation, so we can substitute it.
1369 CFLAGS="$REAL_CFLAGS"
1370
1371 changequote(, )dnl
1372 #### Find out which version of Emacs this is.
1373 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1374          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1375 changequote([, ])dnl
1376 if test x"${version}" = x; then
1377   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1378 fi
1379
1380 ### Specify what sort of things we'll be editing into Makefile and config.h.
1381 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1382 AC_SUBST(version)
1383 AC_SUBST(configuration)
1384 AC_SUBST(canonical)
1385 AC_SUBST(srcdir)
1386 AC_SUBST(prefix)
1387 AC_SUBST(exec_prefix)
1388 AC_SUBST(bindir)
1389 AC_SUBST(datadir)
1390 AC_SUBST(sharedstatedir)
1391 AC_SUBST(libexecdir)
1392 AC_SUBST(mandir)
1393 AC_SUBST(infodir)
1394 AC_SUBST(lispdir)
1395 AC_SUBST(locallisppath)
1396 AC_SUBST(lisppath)
1397 AC_SUBST(etcdir)
1398 AC_SUBST(lockdir)
1399 AC_SUBST(archlibdir)
1400 AC_SUBST(docdir)
1401 AC_SUBST(bitmapdir)
1402 AC_SUBST(c_switch_system)
1403 AC_SUBST(c_switch_machine)
1404 AC_SUBST(LD_SWITCH_X_SITE)
1405 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1406 AC_SUBST(C_SWITCH_X_SITE)
1407 AC_SUBST(CFLAGS)
1408 AC_SUBST(X_TOOLKIT_TYPE)
1409 AC_SUBST(machfile)
1410 AC_SUBST(opsysfile)
1411 AC_SUBST(RANLIB)
1412
1413 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1414 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1415 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1416 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1417 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1418 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1419 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1420 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1421
1422 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1423   AC_DEFINE(HAVE_X_WINDOWS)
1424 fi
1425 if test "${USE_X_TOOLKIT}" != "none" ; then
1426   AC_DEFINE(USE_X_TOOLKIT)
1427 fi
1428 if test "${HAVE_X11}" = "yes" ; then
1429   AC_DEFINE(HAVE_X11)
1430 fi
1431 if test "${HAVE_XFREE386}" = "yes" ; then
1432   AC_DEFINE(HAVE_XFREE386)
1433 fi
1434 if test "${HAVE_MENUS}" = "yes" ; then
1435   AC_DEFINE(HAVE_MENUS)
1436 fi
1437 if test "${GNU_MALLOC}" = "yes" ; then
1438   AC_DEFINE(GNU_MALLOC)
1439 fi
1440 if test "${REL_ALLOC}" = "yes" ; then
1441   AC_DEFINE(REL_ALLOC)
1442 fi
1443 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1444   AC_DEFINE(LISP_FLOAT_TYPE)
1445 fi
1446
1447 #### Report on what we decided to do.
1448 echo "
1449 Configured for \`${canonical}'.
1450
1451   Where should the build process find the source code?    ${srcdir}
1452   What operating system and machine description files should Emacs use?
1453         \`${opsysfile}' and \`${machfile}'
1454   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1455   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1456   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1457   What window system should Emacs use?                    ${window_system}
1458   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
1459
1460 if test -n "${x_includes}"; then
1461 echo "  Where do we find X Windows header files?                ${x_includes}"
1462 else
1463 echo "  Where do we find X Windows header files?                Standard dirs"
1464 fi
1465 if test -n "${x_libraries}"; then
1466 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
1467 else
1468 echo "  Where do we find X Windows libraries?                   Standard dirs"
1469 fi
1470
1471 echo
1472
1473 # Remove any trailing slashes in these variables.
1474 changequote(, )dnl
1475 test "${prefix}" != NONE &&
1476   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1477 test "${exec_prefix}" != NONE &&
1478   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1479 changequote([, ])dnl
1480
1481 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1482         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in, [
1483
1484 ### Make the necessary directories, if they don't exist.
1485 for dir in cpp etc ; do
1486   test -d ${dir} || mkdir ${dir}
1487 done
1488
1489 # Build src/Makefile from ${srcdir}/src/Makefile.c
1490 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1491 # This must be done after src/config.h is built, since we rely on that file.
1492
1493 changequote(, )dnl The horror, the horror.
1494 # Now get this: Some word that is part of the ${srcdir} directory name
1495 # or the ${configuration} value might, just might, happen to be an
1496 # identifier like `sun4' or `i386' or something, and be predefined by
1497 # the C preprocessor to some helpful value like 1, or maybe the empty
1498 # string.  Needless to say consequent macro substitutions are less
1499 # than conducive to the makefile finding the correct directory.
1500 undefs="`echo $top_srcdir $configuration $canonical |
1501 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
1502     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1503 `"
1504 changequote([, ])dnl
1505
1506 echo creating lib-src/Makefile
1507 ( cd lib-src
1508   rm -f junk.c junk1.c junk2.c
1509   sed -e '/start of cpp stuff/q' \
1510       < Makefile.c > junk1.c
1511   sed -e '1,/start of cpp stuff/d'\
1512       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1513       < Makefile.c > junk.c
1514   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1515       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1516   cat junk1.c junk2.c > Makefile.new
1517   rm -f junk.c junk1.c junk2.c
1518   chmod 444 Makefile.new
1519   mv -f Makefile.new Makefile
1520 )
1521
1522 echo creating src/Makefile
1523 ( cd src
1524   rm -f junk.c junk1.c junk2.c
1525   sed -e '/start of cpp stuff/q' \
1526       < Makefile.c > junk1.c
1527   sed -e '1,/start of cpp stuff/d'\
1528       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1529       < Makefile.c > junk.c
1530   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1531       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1532   cat junk1.c junk2.c > Makefile.new
1533   rm -f junk.c junk1.c junk2.c
1534   chmod 444 Makefile.new
1535   mv -f Makefile.new Makefile
1536 )
1537
1538 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
1539   echo creating src/.gdbinit
1540   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
1541 fi
1542
1543 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])