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   1 #!/bin/sh
   2 # Configuration validation subroutine script, version 1.1.
   3 #   Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
   4 # This file is (in principle) common to ALL GNU software.
   5 # The presence of a machine in this file suggests that SOME GNU software
   6 # can handle that machine.  It does not imply ALL GNU software can.
   7 #
   8 # This file is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 59 Temple Place - Suite 330,
  21 # Boston, MA 02111-1307, USA.
  22
  23 # As a special exception to the GNU General Public License, if you
  24 # distribute this file as part of a program that contains a
  25 # configuration script generated by Autoconf, you may include it under
  26 # the same distribution terms that you use for the rest of that program.
  27
  28 # Configuration subroutine to validate and canonicalize a configuration type.
  29 # Supply the specified configuration type as an argument.
  30 # If it is invalid, we print an error message on stderr and exit with code 1.
  31 # Otherwise, we print the canonical config type on stdout and succeed.
  32
  33 # This file is supposed to be the same for all GNU packages
  34 # and recognize all the CPU types, system types and aliases
  35 # that are meaningful with *any* GNU software.
  36 # Each package is responsible for reporting which valid configurations
  37 # it does not support.  The user should be able to distinguish
  38 # a failure to support a valid configuration from a meaningless
  39 # configuration.
  40
  41 # The goal of this file is to map all the various variations of a given
  42 # machine specification into a single specification in the form:
  43 #       CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
  44 # It is wrong to echo any other type of specification.
  45
  46 if [ x$1 = x ]
  47 then
  48         echo Configuration name missing. 1>&2
  49         echo "Usage: $0 CPU-MFR-OPSYS" 1>&2
  50         echo "or     $0 ALIAS" 1>&2
  51         echo where ALIAS is a recognized configuration type. 1>&2
  52         exit 1
  53 fi
  54
  55 # First pass through any local machine types.
  56 case $1 in
  57         *local*)
  58                 echo $1
  59                 exit 0
  60                 ;;
  61         *)
  62         ;;
  63 esac
  64
  65 # Separate what the user gave into CPU-COMPANY and OS (if any).
  66 basic_machine=`echo $1 | sed 's/-[^-]*$//'`
  67 if [ $basic_machine != $1 ]
  68 then os=`echo $1 | sed 's/.*-/-/'`
  69 else os=; fi
  70
  71 ### Let's recognize common machines as not being operating systems so
  72 ### that things like config.sub decstation-3100 work.  We also
  73 ### recognize some manufacturers as not being operating systems, so we
  74 ### can provide default operating systems below.
  75 case $os in
  76         -sun*os*)
  77                 # Prevent following clause from handling this invalid input.
  78                 ;;
  79         -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
  80         -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
  81         -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
  82         -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
  83         -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
  84         -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp )
  85                 os=
  86                 basic_machine=$1
  87                 ;;
  88         -hiux*)
  89                 os=-hiuxwe2
  90                 ;;
  91         -sco4)
  92                 os=-sco3.2v4
  93                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
  94                 ;;
  95         -sco3.2.[4-9]*)
  96                 os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
  97                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
  98                 ;;
  99         -sco3.2v[4-9]*)
 100                 # Don't forget version if it is 3.2v4 or newer.
 101                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 102                 ;;
 103         -sco*)
 104                 os=-sco3.2v2
 105                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 106                 ;;
 107         -isc)
 108                 os=-isc2.2
 109                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 110                 ;;
 111         -clix*)
 112                 basic_machine=clipper-intergraph
 113                 ;;
 114         -isc*)
 115                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 116                 ;;
 117         -lynx*)
 118                 os=-lynxos
 119                 ;;
 120         -ptx*)
 121                 basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
 122                 ;;
 123         -windowsnt*)
 124                 os=`echo $os | sed -e 's/windowsnt/winnt/'`
 125                 ;;
 126         -qnx4)
 127                 os=-qnx4
 128                 ;;
 129         -qnx2)
 130                 os=-qnx2
 131                 ;;
 132 esac
 133
 134 # Decode aliases for certain CPU-COMPANY combinations.
 135 case $basic_machine in
 136         # Recognize the basic CPU types without company name.
 137         # Some are omitted here because they have special meanings below.
 138         tahoe | i[345]86 | i860 | m68k | m68000 | m88k | ns32k | arm \
 139                 | arme[lb] | pyramid \
 140                 | tron | a29k | 580 | i960 | h8300 | hppa1.0 | hppa1.1 \
 141                 | alpha | we32k | ns16k | clipper | sparclite | i370 | sh \
 142                 | powerpc | powerpcle | sparc64 | 1750a | dsp16xx | mips64 | mipsel \
 143                 | pdp11 | mips64el | mips64orion | mips64orionel \
 144                 | sparc)
 145                 basic_machine=$basic_machine-unknown
 146                 ;;
 147         # Object if more than one company name word.
 148         *-*-*)
 149                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 150                 exit 1
 151                 ;;
 152         # Recognize the basic CPU types with company name.
 153         vax-* | tahoe-* | i[345]86-* | i860-* | m68k-* | m68000-* | m88k-* \
 154               | sparc-* | ns32k-* | fx80-* | arm-* | c[123]* \
 155               | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* | power-* \
 156               | none-* | 580-* | cray2-* | h8300-* | i960-* | xmp-* | ymp-* \
 157               | hppa1.0-* | hppa1.1-* | alpha-* | we32k-* | cydra-* | ns16k-* \
 158               | pn-* | np1-* | xps100-* | clipper-* | orion-* | sparclite-* \
 159               | pdp11-* | sh-* | powerpc-* | powerpcle-* | sparc64-* | mips64-* | mipsel-* \
 160               | mips64el-* | mips64orion-* | mips64orionel-*)
 161                 ;;
 162         # Recognize the various machine names and aliases which stand
 163         # for a CPU type and a company and sometimes even an OS.
 164         3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
 165                 basic_machine=m68000-att
 166                 ;;
 167         3b*)
 168                 basic_machine=we32k-att
 169                 ;;
 170         alliant | fx80)
 171                 basic_machine=fx80-alliant
 172                 ;;
 173         altos | altos3068)
 174                 basic_machine=m68k-altos
 175                 ;;
 176         am29k)
 177                 basic_machine=a29k-none
 178                 os=-bsd
 179                 ;;
 180         amdahl)
 181                 basic_machine=580-amdahl
 182                 os=-sysv
 183                 ;;
 184         amiga | amiga-*)
 185                 basic_machine=m68k-cbm
 186                 ;;
 187         amigados)
 188                 basic_machine=m68k-cbm
 189                 os=-amigados
 190                 ;;
 191         amigaunix | amix)
 192                 basic_machine=m68k-cbm
 193                 os=-sysv4
 194                 ;;
 195         apollo68)
 196                 basic_machine=m68k-apollo
 197                 os=-sysv
 198                 ;;
 199         balance)
 200                 basic_machine=ns32k-sequent
 201                 os=-dynix
 202                 ;;
 203         convex-c1)
 204                 basic_machine=c1-convex
 205                 os=-bsd
 206                 ;;
 207         convex-c2)
 208                 basic_machine=c2-convex
 209                 os=-bsd
 210                 ;;
 211         convex-c32)
 212                 basic_machine=c32-convex
 213                 os=-bsd
 214                 ;;
 215         convex-c34)
 216                 basic_machine=c34-convex
 217                 os=-bsd
 218                 ;;
 219         convex-c38)
 220                 basic_machine=c38-convex
 221                 os=-bsd
 222                 ;;
 223         cray | ymp)
 224                 basic_machine=ymp-cray
 225                 os=-unicos
 226                 ;;
 227         cray2)
 228                 basic_machine=cray2-cray
 229                 os=-unicos
 230                 ;;
 231         crds | unos)
 232                 basic_machine=m68k-crds
 233                 ;;
 234         da30 | da30-*)
 235                 basic_machine=m68k-da30
 236                 ;;
 237         decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
 238                 basic_machine=mips-dec
 239                 ;;
 240         delta | 3300 | motorola-3300 | motorola-delta \
 241               | 3300-motorola | delta-motorola)
 242                 basic_machine=m68k-motorola
 243                 ;;
 244         delta88)
 245                 basic_machine=m88k-motorola
 246                 os=-sysv3
 247                 ;;
 248         dpx20 | dpx20-*)
 249                 basic_machine=rs6000-bull
 250                 os=-bosx
 251                 ;;
 252         dpx2* | dpx2*-bull)
 253                 basic_machine=m68k-bull
 254                 os=-sysv3
 255                 ;;
 256         ebmon29k)
 257                 basic_machine=a29k-amd
 258                 os=-ebmon
 259                 ;;
 260         elxsi)
 261                 basic_machine=elxsi-elxsi
 262                 os=-bsd
 263                 ;;
 264         encore | umax | mmax)
 265                 basic_machine=ns32k-encore
 266                 ;;
 267         fx2800)
 268                 basic_machine=i860-alliant
 269                 ;;
 270         genix)
 271                 basic_machine=ns32k-ns
 272                 ;;
 273         gmicro)
 274                 basic_machine=tron-gmicro
 275                 os=-sysv
 276                 ;;
 277         h3050r* | hiux*)
 278                 basic_machine=hppa1.1-hitachi
 279                 os=-hiuxwe2
 280                 ;;
 281         h8300hms)
 282                 basic_machine=h8300-hitachi
 283                 os=-hms
 284                 ;;
 285         harris)
 286                 basic_machine=m88k-harris
 287                 os=-sysv3
 288                 ;;
 289         hp300-*)
 290                 basic_machine=m68k-hp
 291                 ;;
 292         hp300bsd)
 293                 basic_machine=m68k-hp
 294                 os=-bsd
 295                 ;;
 296         hp300hpux)
 297                 basic_machine=m68k-hp
 298                 os=-hpux
 299                 ;;
 300         hp9k2[0-9][0-9] | hp9k31[0-9])
 301                 basic_machine=m68000-hp
 302                 ;;
 303         hp9k3[2-9][0-9])
 304                 basic_machine=m68k-hp
 305                 ;;
 306         hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7)
 307                 basic_machine=hppa1.1-hp
 308                 ;;
 309         hp9k8[0-9][0-9] | hp8[0-9][0-9])
 310                 basic_machine=hppa1.0-hp
 311                 ;;
 312         i370-ibm* | ibm*)
 313                 basic_machine=i370-ibm
 314                 os=-mvs
 315                 ;;
 316 # I'm not sure what "Sysv32" means.  Should this be sysv3.2?
 317         i[345]86v32)
 318                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 319                 os=-sysv32
 320                 ;;
 321         i[345]86v4*)
 322                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 323                 os=-sysv4
 324                 ;;
 325         i[345]86v)
 326                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 327                 os=-sysv
 328                 ;;
 329         i[345]86sol2)
 330                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 331                 os=-solaris2
 332                 ;;
 333         iris | iris4d)
 334                 basic_machine=mips-sgi
 335                 case $os in
 336                     -irix*)
 337                         ;;
 338                     *)
 339                         os=-irix4
 340                         ;;
 341                 esac
 342                 ;;
 343         isi68 | isi)
 344                 basic_machine=m68k-isi
 345                 os=-sysv
 346                 ;;
 347         m88k-omron*)
 348                 basic_machine=m88k-omron
 349                 ;;
 350         magnum | m3230)
 351                 basic_machine=mips-mips
 352                 os=-sysv
 353                 ;;
 354         merlin)
 355                 basic_machine=ns32k-utek
 356                 os=-sysv
 357                 ;;
 358         miniframe)
 359                 basic_machine=m68000-convergent
 360                 ;;
 361         mips3*-*)
 362                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
 363                 ;;
 364         mips3*)
 365                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
 366                 ;;
 367         ncr3000)
 368                 basic_machine=i486-ncr
 369                 os=-sysv4
 370                 ;;
 371         news | news700 | news800 | news900)
 372                 basic_machine=m68k-sony
 373                 os=-newsos
 374                 ;;
 375         news1000)
 376                 basic_machine=m68030-sony
 377                 os=-newsos
 378                 ;;
 379         news-3600 | risc-news)
 380                 basic_machine=mips-sony
 381                 os=-newsos
 382                 ;;
 383         next | m*-next )
 384                 basic_machine=m68k-next
 385                 case $os in
 386                     -nextstep* )
 387                         ;;
 388                     -ns2*)
 389                       os=-nextstep2
 390                         ;;
 391                     *)
 392                       os=-nextstep3
 393                         ;;
 394                 esac
 395                 ;;
 396         nh3000)
 397                 basic_machine=m68k-harris
 398                 os=-cxux
 399                 ;;
 400         nh[45]000)
 401                 basic_machine=m88k-harris
 402                 os=-cxux
 403                 ;;
 404         nindy960)
 405                 basic_machine=i960-intel
 406                 os=-nindy
 407                 ;;
 408         np1)
 409                 basic_machine=np1-gould
 410                 ;;
 411         pa-hitachi)
 412                 basic_machine=hppa1.1-hitachi
 413                 os=-hiuxwe2
 414                 ;;
 415         paragon)
 416                 basic_machine=i860-intel
 417                 os=-osf
 418                 ;;
 419         pbd)
 420                 basic_machine=sparc-tti
 421                 ;;
 422         pbb)
 423                 basic_machine=m68k-tti
 424                 ;;
 425         pc532 | pc532-*)
 426                 basic_machine=ns32k-pc532
 427                 ;;
 428         pentium | p5 | p6)
 429                 # We don't have specific support for the Intel Pentium (p6) followon yet, so just call it a Pentium
 430                 basic_machine=i586-intel
 431                 ;;
 432         pentium-* | p5-* | p6-*)
 433                 # We don't have specific support for the Intel Pentium (p6) followon yet, so just call it a Pentium
 434                 basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 435                 ;;
 436         k5)
 437                 # We don't have specific support for AMD's K5 yet, so just call it a Pentium
 438                 basic_machine=i586-amd
 439                 ;;
 440         nexen)
 441                 # We don't have specific support for Nexgen yet, so just call it a Pentium
 442                 basic_machine=i586-nexgen
 443                 ;;
 444         pn)
 445                 basic_machine=pn-gould
 446                 ;;
 447         power)  basic_machine=rs6000-ibm
 448                 ;;
 449         ppc)    basic_machine=powerpc-unknown
 450                 ;;
 451         ppc-*)  basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 452                 ;;
 453         ppcle | powerpclittle | ppc-le | powerpc-little)
 454                 basic_machine=powerpcle-unknown
 455                 ;;
 456         ppcle-* | powerpclittle-*)
 457                 basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
 458                 ;;
 459         ps2)
 460                 basic_machine=i386-ibm
 461                 ;;
 462         rm[46]00)
 463                 basic_machine=mips-siemens
 464                 ;;
 465         rtpc | rtpc-*)
 466                 basic_machine=romp-ibm
 467                 ;;
 468         sequent)
 469                 basic_machine=i386-sequent
 470                 ;;
 471         sh)
 472                 basic_machine=sh-hitachi
 473                 os=-hms
 474                 ;;
 475         sps7)
 476                 basic_machine=m68k-bull
 477                 os=-sysv2
 478                 ;;
 479         spur)
 480                 basic_machine=spur-unknown
 481                 ;;
 482         sun2)
 483                 basic_machine=m68000-sun
 484                 ;;
 485         sun2os3)
 486                 basic_machine=m68000-sun
 487                 os=-sunos3
 488                 ;;
 489         sun2os4)
 490                 basic_machine=m68000-sun
 491                 os=-sunos4
 492                 ;;
 493         sun3os3)
 494                 basic_machine=m68k-sun
 495                 os=-sunos3
 496                 ;;
 497         sun3os4)
 498                 basic_machine=m68k-sun
 499                 os=-sunos4
 500                 ;;
 501         sun4os3)
 502                 basic_machine=sparc-sun
 503                 os=-sunos3
 504                 ;;
 505         sun4os4)
 506                 basic_machine=sparc-sun
 507                 os=-sunos4
 508                 ;;
 509         sun4sol2)
 510                 basic_machine=sparc-sun
 511                 os=-solaris2
 512                 ;;
 513         sun3 | sun3-*)
 514                 basic_machine=m68k-sun
 515                 ;;
 516         sun4)
 517                 basic_machine=sparc-sun
 518                 ;;
 519         sun386 | sun386i | roadrunner)
 520                 basic_machine=i386-sun
 521                 ;;
 522         symmetry)
 523                 basic_machine=i386-sequent
 524                 os=-dynix
 525                 ;;
 526         tower | tower-32)
 527                 basic_machine=m68k-ncr
 528                 ;;
 529         udi29k)
 530                 basic_machine=a29k-amd
 531                 os=-udi
 532                 ;;
 533         ultra3)
 534                 basic_machine=a29k-nyu
 535                 os=-sym1
 536                 ;;
 537         vaxv)
 538                 basic_machine=vax-dec
 539                 os=-sysv
 540                 ;;
 541         vms)
 542                 basic_machine=vax-dec
 543                 os=-vms
 544                 ;;
 545         vxworks960)
 546                 basic_machine=i960-wrs
 547                 os=-vxworks
 548                 ;;
 549         vxworks68)
 550                 basic_machine=m68k-wrs
 551                 os=-vxworks
 552                 ;;
 553         vxworks29k)
 554                 basic_machine=a29k-wrs
 555                 os=-vxworks
 556                 ;;
 557         xmp)
 558                 basic_machine=xmp-cray
 559                 os=-unicos
 560                 ;;
 561         xps | xps100)
 562                 basic_machine=xps100-honeywell
 563                 ;;
 564         none)
 565                 basic_machine=none-none
 566                 os=-none
 567                 ;;
 568
 569 # Here we handle the default manufacturer of certain CPU types.  It is in
 570 # some cases the only manufacturer, in others, it is the most popular.
 571         mips)
 572                 basic_machine=mips-mips
 573                 ;;
 574         romp)
 575                 basic_machine=romp-ibm
 576                 ;;
 577         rs6000)
 578                 basic_machine=rs6000-ibm
 579                 ;;
 580         vax)
 581                 basic_machine=vax-dec
 582                 ;;
 583         pdp11)
 584                 basic_machine=pdp11-dec
 585                 ;;
 586         we32k)
 587                 basic_machine=we32k-att
 588                 ;;
 589         sparc)
 590                 basic_machine=sparc-sun
 591                 ;;
 592         cydra)
 593                 basic_machine=cydra-cydrome
 594                 ;;
 595         orion)
 596                 basic_machine=orion-highlevel
 597                 ;;
 598         orion105)
 599                 basic_machine=clipper-highlevel
 600                 ;;
 601         *)
 602                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 603                 exit 1
 604                 ;;
 605 esac
 606
 607 # Here we canonicalize certain aliases for manufacturers.
 608 case $basic_machine in
 609         *-digital*)
 610                 basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
 611                 ;;
 612         *-commodore*)
 613                 basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
 614                 ;;
 615         *)
 616                 ;;
 617 esac
 618
 619 # Decode manufacturer-specific aliases for certain operating systems.
 620
 621 if [ x"$os" != x"" ]
 622 then
 623 case $os in
 624         # -solaris* is a basic system type, with this one exception.
 625         -solaris1 | -solaris1.*)
 626                 os=`echo $os | sed -e 's|solaris1|sunos4|'`
 627                 ;;
 628         -solaris)
 629                 os=-solaris2
 630                 ;;
 631         -unixware* | svr4*)
 632                 os=-sysv4
 633                 ;;
 634         -gnu/linux*)
 635                 os=`echo $os | sed -e 's|gnu/linux|linux|'`
 636                 ;;
 637         # First accept the basic system types.
 638         # The portable systems comes first.
 639         # Each alternative MUST END IN A *, to match a version number.
 640         # -sysv* is not here because it comes later, after sysvr4.
 641         -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 642               | -vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[345]* \
 643               | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
 644               | -amigados* | -msdos* | -newsos* | -unicos* | -aos* \
 645               | -nindy* | -vxworks* | -ebmon* | -hms* | -mvs* | -clix* \
 646               | -riscos* | -linux* | -uniplus* | -iris* | -rtu* | -xenix* \
 647               | -hiux* | -386bsd* | -netbsd* | -freebsd* | -riscix* \
 648               | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
 649               | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 650               | -udi* | -eabi* | -lites* )
 651         # Remember, each alternative MUST END IN *, to match a version number.
 652                 ;;
 653         -sunos5*)
 654                 os=`echo $os | sed -e 's|sunos5|solaris2|'`
 655                 ;;
 656         -sunos6*)
 657                 os=`echo $os | sed -e 's|sunos6|solaris3|'`
 658                 ;;
 659         -osfrose*)
 660                 os=-osfrose
 661                 ;;
 662         -osf*)
 663                 os=-osf
 664                 ;;
 665         -utek*)
 666                 os=-bsd
 667                 ;;
 668         -dynix*)
 669                 os=-bsd
 670                 ;;
 671         -acis*)
 672                 os=-aos
 673                 ;;
 674         -ctix* | -uts*)
 675                 os=-sysv
 676                 ;;
 677         # Preserve the version number of sinix5.
 678         -sinix5.*)
 679                 os=`echo $os | sed -e 's|sinix|sysv|'`
 680                 ;;
 681         -sinix*)
 682                 os=-sysv4
 683                 ;;
 684         -triton*)
 685                 os=-sysv3
 686                 ;;
 687         -oss*)
 688                 os=-sysv3
 689                 ;;
 690         -svr4)
 691                 os=-sysv4
 692                 ;;
 693         -svr3)
 694                 os=-sysv3
 695                 ;;
 696         -sysvr4)
 697                 os=-sysv4
 698                 ;;
 699         # This must come after -sysvr4.
 700         -sysv*)
 701                 ;;
 702         -xenix)
 703                 os=-xenix
 704                 ;;
 705         -qnx*)
 706                 #os=-qnx
 707                 ;;
 708         -none)
 709                 ;;
 710         *)
 711                 # Get rid of the `-' at the beginning of $os.
 712                 os=`echo $os | sed 's/[^-]*-//'`
 713                 echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
 714                 exit 1
 715                 ;;
 716 esac
 717 else
 718
 719 # Here we handle the default operating systems that come with various machines.
 720 # The value should be what the vendor currently ships out the door with their
 721 # machine or put another way, the most popular os provided with the machine.
 722
 723 # Note that if you're going to try to match "-MANUFACTURER" here (say,
 724 # "-sun"), then you have to tell the case statement up towards the top
 725 # that MANUFACTURER isn't an operating system.  Otherwise, code above
 726 # will signal an error saying that MANUFACTURER isn't an operating
 727 # system, and we'll never get to this point.
 728
 729 case $basic_machine in
 730         *-acorn)
 731                 os=-riscix1.2
 732                 ;;
 733         arm*-semi)
 734                 os=-aout
 735                 ;;
 736         pdp11-*)
 737                 os=-none
 738                 ;;
 739         *-dec | vax-*)
 740                 os=-ultrix4.2
 741                 ;;
 742         m68*-apollo)
 743                 os=-domain
 744                 ;;
 745         i386-sun)
 746                 os=-sunos4.0.2
 747                 ;;
 748         m68000-sun)
 749                 os=-sunos3
 750                 # This also exists in the configure program, but was not the
 751                 # default.
 752                 # os=-sunos4
 753                 ;;
 754         *-tti)  # must be before sparc entry or we get the wrong os.
 755                 os=-sysv3
 756                 ;;
 757         sparc-* | *-sun)
 758                 os=-sunos4.1.1
 759                 ;;
 760         *-ibm)
 761                 os=-aix
 762                 ;;
 763         *-hp)
 764                 os=-hpux
 765                 ;;
 766         *-hitachi)
 767                 os=-hiux
 768                 ;;
 769         i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
 770                 os=-sysv
 771                 ;;
 772         *-cbm)
 773                 os=-amigados
 774                 ;;
 775         *-dg)
 776                 os=-dgux
 777                 ;;
 778         *-dolphin)
 779                 os=-sysv3
 780                 ;;
 781         m68k-ccur)
 782                 os=-rtu
 783                 ;;
 784         m88k-omron*)
 785                 os=-luna
 786                 ;;
 787         *-sequent)
 788                 os=-ptx
 789                 ;;
 790         *-crds)
 791                 os=-unos
 792                 ;;
 793         *-ns)
 794                 os=-genix
 795                 ;;
 796         i370-*)
 797                 os=-mvs
 798                 ;;
 799         *-next)
 800                 os=-nextstep3
 801                 ;;
 802         *-gould)
 803                 os=-sysv
 804                 ;;
 805         *-highlevel)
 806                 os=-bsd
 807                 ;;
 808         *-encore)
 809                 os=-bsd
 810                 ;;
 811         *-sgi)
 812                 os=-irix
 813                 ;;
 814         *-siemens)
 815                 os=-sysv4
 816                 ;;
 817         *-masscomp)
 818                 os=-rtu
 819                 ;;
 820         *)
 821                 os=-none
 822                 ;;
 823 esac
 824 fi
 825
 826 # Here we handle the case where we know the os, and the CPU type, but not the
 827 # manufacturer.  We pick the logical manufacturer.
 828 vendor=unknown
 829 case $basic_machine in
 830         *-unknown)
 831                 case $os in
 832                         -riscix*)
 833                                 vendor=acorn
 834                                 ;;
 835                         -sunos*)
 836                                 vendor=sun
 837                                 ;;
 838                         -lynxos*)
 839                                 vendor=lynx
 840                                 ;;
 841                         -aix*)
 842                                 vendor=ibm
 843                                 ;;
 844                         -hpux*)
 845                                 vendor=hp
 846                                 ;;
 847                         -hiux*)
 848                                 vendor=hitachi
 849                                 ;;
 850                         -unos*)
 851                                 vendor=crds
 852                                 ;;
 853                         -dgux*)
 854                                 vendor=dg
 855                                 ;;
 856                         -luna*)
 857                                 vendor=omron
 858                                 ;;
 859                         -genix*)
 860                                 vendor=ns
 861                                 ;;
 862                         -mvs*)
 863                                 vendor=ibm
 864                                 ;;
 865                         -ptx*)
 866                                 vendor=sequent
 867                                 ;;
 868                         -vxworks*)
 869                                 vendor=wrs
 870                                 ;;
 871                 esac
 872                 basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 873                 ;;
 874 esac
 875
 876 echo $basic_machine$os