config.sub

   1 #! /bin/sh
   2 # Configuration validation subroutine script, version 1.1.
   3 #   Copyright (C) 1991, 92, 93, 94, 95, 1996 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         -sco5)
  92                 os=sco3.2v5
  93                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
  94                 ;;
  95         -sco4)
  96                 os=-sco3.2v4
  97                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
  98                 ;;
  99         -sco3.2.[4-9]*)
 100                 os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
 101                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 102                 ;;
 103         -sco3.2v[4-9]*)
 104                 # Don't forget version if it is 3.2v4 or newer.
 105                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 106                 ;;
 107         -sco*)
 108                 os=-sco3.2v2
 109                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 110                 ;;
 111         -isc)
 112                 os=-isc2.2
 113                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 114                 ;;
 115         -clix*)
 116                 basic_machine=clipper-intergraph
 117                 ;;
 118         -isc*)
 119                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 120                 ;;
 121         -lynx*)
 122                 os=-lynxos
 123                 ;;
 124         -ptx*)
 125                 basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
 126                 ;;
 127         -windowsnt*)
 128                 os=`echo $os | sed -e 's/windowsnt/winnt/'`
 129                 ;;
 130 esac
 131
 132 # Decode aliases for certain CPU-COMPANY combinations.
 133 case $basic_machine in
 134         # Recognize the basic CPU types without company name.
 135         # Some are omitted here because they have special meanings below.
 136         tahoe | i[3456]86 | i860 | m68k | m68000 | m88k | ns32k | arm \
 137                 | arme[lb] | pyramid \
 138                 | tron | a29k | 580 | i960 | h8300 | hppa1.0 | hppa1.1 \
 139                 | alpha | we32k | ns16k | clipper | sparclite | i370 | sh \
 140                 | powerpc | powerpcle | sparc64 | 1750a | dsp16xx | mips64 | mipsel \
 141                 | pdp11 | mips64el | mips64orion | mips64orionel \
 142                 | sparc)
 143                 basic_machine=$basic_machine-unknown
 144                 ;;
 145         # Object if more than one company name word.
 146         *-*-*)
 147                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 148                 exit 1
 149                 ;;
 150         # Recognize the basic CPU types with company name.
 151         vax-* | tahoe-* | i[3456]86-* | i860-* | m68k-* | m68000-* | m88k-* \
 152               | sparc-* | ns32k-* | fx80-* | arm-* | c[123]* \
 153               | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* | power-* \
 154               | none-* | 580-* | cray2-* | h8300-* | i960-* | xmp-* | ymp-* \
 155               | hppa1.0-* | hppa1.1-* | alpha-* | we32k-* | cydra-* | ns16k-* \
 156               | pn-* | np1-* | xps100-* | clipper-* | orion-* | sparclite-* \
 157               | pdp11-* | sh-* | powerpc-* | powerpcle-* | sparc64-* | mips64-* | mipsel-* \
 158               | mips64el-* | mips64orion-* | mips64orionel-*)
 159                 ;;
 160         # Recognize the various machine names and aliases which stand
 161         # for a CPU type and a company and sometimes even an OS.
 162         3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
 163                 basic_machine=m68000-att
 164                 ;;
 165         3b*)
 166                 basic_machine=we32k-att
 167                 ;;
 168         alliant | fx80)
 169                 basic_machine=fx80-alliant
 170                 ;;
 171         altos | altos3068)
 172                 basic_machine=m68k-altos
 173                 ;;
 174         am29k)
 175                 basic_machine=a29k-none
 176                 os=-bsd
 177                 ;;
 178         amdahl)
 179                 basic_machine=580-amdahl
 180                 os=-sysv
 181                 ;;
 182         amiga | amiga-*)
 183                 basic_machine=m68k-cbm
 184                 ;;
 185         amigados)
 186                 basic_machine=m68k-cbm
 187                 os=-amigados
 188                 ;;
 189         amigaunix | amix)
 190                 basic_machine=m68k-cbm
 191                 os=-sysv4
 192                 ;;
 193         apollo68)
 194                 basic_machine=m68k-apollo
 195                 os=-sysv
 196                 ;;
 197         aux)
 198                 basic_machine=m68k-apple
 199                 os=-aux
 200                 ;;
 201         balance)
 202                 basic_machine=ns32k-sequent
 203                 os=-dynix
 204                 ;;
 205         convex-c1)
 206                 basic_machine=c1-convex
 207                 os=-bsd
 208                 ;;
 209         convex-c2)
 210                 basic_machine=c2-convex
 211                 os=-bsd
 212                 ;;
 213         convex-c32)
 214                 basic_machine=c32-convex
 215                 os=-bsd
 216                 ;;
 217         convex-c34)
 218                 basic_machine=c34-convex
 219                 os=-bsd
 220                 ;;
 221         convex-c38)
 222                 basic_machine=c38-convex
 223                 os=-bsd
 224                 ;;
 225         cray | ymp)
 226                 basic_machine=ymp-cray
 227                 os=-unicos
 228                 ;;
 229         cray2)
 230                 basic_machine=cray2-cray
 231                 os=-unicos
 232                 ;;
 233         crds | unos)
 234                 basic_machine=m68k-crds
 235                 ;;
 236         da30 | da30-*)
 237                 basic_machine=m68k-da30
 238                 ;;
 239         decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
 240                 basic_machine=mips-dec
 241                 ;;
 242         delta | 3300 | motorola-3300 | motorola-delta \
 243               | 3300-motorola | delta-motorola)
 244                 basic_machine=m68k-motorola
 245                 ;;
 246         delta88)
 247                 basic_machine=m88k-motorola
 248                 os=-sysv3
 249                 ;;
 250         dpx20 | dpx20-*)
 251                 basic_machine=rs6000-bull
 252                 os=-bosx
 253                 ;;
 254         dpx2* | dpx2*-bull)
 255                 basic_machine=m68k-bull
 256                 os=-sysv3
 257                 ;;
 258         ebmon29k)
 259                 basic_machine=a29k-amd
 260                 os=-ebmon
 261                 ;;
 262         elxsi)
 263                 basic_machine=elxsi-elxsi
 264                 os=-bsd
 265                 ;;
 266         encore | umax | mmax)
 267                 basic_machine=ns32k-encore
 268                 ;;
 269         fx2800)
 270                 basic_machine=i860-alliant
 271                 ;;
 272         genix)
 273                 basic_machine=ns32k-ns
 274                 ;;
 275         gmicro)
 276                 basic_machine=tron-gmicro
 277                 os=-sysv
 278                 ;;
 279         h3050r* | hiux*)
 280                 basic_machine=hppa1.1-hitachi
 281                 os=-hiuxwe2
 282                 ;;
 283         h8300hms)
 284                 basic_machine=h8300-hitachi
 285                 os=-hms
 286                 ;;
 287         harris)
 288                 basic_machine=m88k-harris
 289                 os=-sysv3
 290                 ;;
 291         hp300-*)
 292                 basic_machine=m68k-hp
 293                 ;;
 294         hp300bsd)
 295                 basic_machine=m68k-hp
 296                 os=-bsd
 297                 ;;
 298         hp300hpux)
 299                 basic_machine=m68k-hp
 300                 os=-hpux
 301                 ;;
 302         hp9k2[0-9][0-9] | hp9k31[0-9])
 303                 basic_machine=m68000-hp
 304                 ;;
 305         hp9k3[2-9][0-9])
 306                 basic_machine=m68k-hp
 307                 ;;
 308         hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7)
 309                 basic_machine=hppa1.1-hp
 310                 ;;
 311         hp9k8[0-9][0-9] | hp8[0-9][0-9])
 312                 basic_machine=hppa1.0-hp
 313                 ;;
 314         i370-ibm* | ibm*)
 315                 basic_machine=i370-ibm
 316                 os=-mvs
 317                 ;;
 318 # I'm not sure what "Sysv32" means.  Should this be sysv3.2?
 319         i[3456]86v32)
 320                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 321                 os=-sysv32
 322                 ;;
 323         i[3456]86v4*)
 324                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 325                 os=-sysv4
 326                 ;;
 327         i[3456]86v)
 328                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 329                 os=-sysv
 330                 ;;
 331         i[3456]86sol2)
 332                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 333                 os=-solaris2
 334                 ;;
 335         iris | iris4d)
 336                 basic_machine=mips-sgi
 337                 case $os in
 338                     -irix*)
 339                         ;;
 340                     *)
 341                         os=-irix4
 342                         ;;
 343                 esac
 344                 ;;
 345         isi68 | isi)
 346                 basic_machine=m68k-isi
 347                 os=-sysv
 348                 ;;
 349         m88k-omron*)
 350                 basic_machine=m88k-omron
 351                 ;;
 352         magnum | m3230)
 353                 basic_machine=mips-mips
 354                 os=-sysv
 355                 ;;
 356         merlin)
 357                 basic_machine=ns32k-utek
 358                 os=-sysv
 359                 ;;
 360         miniframe)
 361                 basic_machine=m68000-convergent
 362                 ;;
 363         mips3*-*)
 364                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
 365                 ;;
 366         mips3*)
 367                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
 368                 ;;
 369         ncr3000)
 370                 basic_machine=i486-ncr
 371                 os=-sysv4
 372                 ;;
 373         news | news700 | news800 | news900)
 374                 basic_machine=m68k-sony
 375                 os=-newsos
 376                 ;;
 377         news1000)
 378                 basic_machine=m68030-sony
 379                 os=-newsos
 380                 ;;
 381         news-3600 | risc-news)
 382                 basic_machine=mips-sony
 383                 os=-newsos
 384                 ;;
 385         next | m*-next )
 386                 basic_machine=m68k-next
 387                 case $os in
 388                     -nextstep* )
 389                         ;;
 390                     -ns2*)
 391                       os=-nextstep2
 392                         ;;
 393                     *)
 394                       os=-nextstep3
 395                         ;;
 396                 esac
 397                 ;;
 398         nh3000)
 399                 basic_machine=m68k-harris
 400                 os=-cxux
 401                 ;;
 402         nh[45]000)
 403                 basic_machine=m88k-harris
 404                 os=-cxux
 405                 ;;
 406         nindy960)
 407                 basic_machine=i960-intel
 408                 os=-nindy
 409                 ;;
 410         np1)
 411                 basic_machine=np1-gould
 412                 ;;
 413         pa-hitachi)
 414                 basic_machine=hppa1.1-hitachi
 415                 os=-hiuxwe2
 416                 ;;
 417         paragon)
 418                 basic_machine=i860-intel
 419                 os=-osf
 420                 ;;
 421         pbd)
 422                 basic_machine=sparc-tti
 423                 ;;
 424         pbb)
 425                 basic_machine=m68k-tti
 426                 ;;
 427         pc532 | pc532-*)
 428                 basic_machine=ns32k-pc532
 429                 ;;
 430         pentium | p5)
 431                 basic_machine=i586-intel
 432                 ;;
 433         pentiumpro | p6)
 434                 basic_machine=i686-intel
 435                 ;;
 436         pentium-* | p5-*)
 437                 basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 438                 ;;
 439         pentiumpro-* | p6-*)
 440                 basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 441                 ;;
 442         k5)
 443                 # We don't have specific support for AMD's K5 yet, so just call it a Pentium
 444                 basic_machine=i586-amd
 445                 ;;
 446         nexen)
 447                 # We don't have specific support for Nexgen yet, so just call it a Pentium
 448                 basic_machine=i586-nexgen
 449                 ;;
 450         pn)
 451                 basic_machine=pn-gould
 452                 ;;
 453         power)  basic_machine=rs6000-ibm
 454                 ;;
 455         ppc)    basic_machine=powerpc-unknown
 456                 ;;
 457         ppc-*)  basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 458                 ;;
 459         ppcle | powerpclittle | ppc-le | powerpc-little)
 460                 basic_machine=powerpcle-unknown
 461                 ;;
 462         ppcle-* | powerpclittle-*)
 463                 basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
 464                 ;;
 465         ps2)
 466                 basic_machine=i386-ibm
 467                 ;;
 468         rm[46]00)
 469                 basic_machine=mips-siemens
 470                 ;;
 471         rtpc | rtpc-*)
 472                 basic_machine=romp-ibm
 473                 ;;
 474         sequent)
 475                 basic_machine=i386-sequent
 476                 ;;
 477         sh)
 478                 basic_machine=sh-hitachi
 479                 os=-hms
 480                 ;;
 481         sps7)
 482                 basic_machine=m68k-bull
 483                 os=-sysv2
 484                 ;;
 485         spur)
 486                 basic_machine=spur-unknown
 487                 ;;
 488         sun2)
 489                 basic_machine=m68000-sun
 490                 ;;
 491         sun2os3)
 492                 basic_machine=m68000-sun
 493                 os=-sunos3
 494                 ;;
 495         sun2os4)
 496                 basic_machine=m68000-sun
 497                 os=-sunos4
 498                 ;;
 499         sun3os3)
 500                 basic_machine=m68k-sun
 501                 os=-sunos3
 502                 ;;
 503         sun3os4)
 504                 basic_machine=m68k-sun
 505                 os=-sunos4
 506                 ;;
 507         sun4os3)
 508                 basic_machine=sparc-sun
 509                 os=-sunos3
 510                 ;;
 511         sun4os4)
 512                 basic_machine=sparc-sun
 513                 os=-sunos4
 514                 ;;
 515         sun4sol2)
 516                 basic_machine=sparc-sun
 517                 os=-solaris2
 518                 ;;
 519         sun3 | sun3-*)
 520                 basic_machine=m68k-sun
 521                 ;;
 522         sun4)
 523                 basic_machine=sparc-sun
 524                 ;;
 525         sun386 | sun386i | roadrunner)
 526                 basic_machine=i386-sun
 527                 ;;
 528         symmetry)
 529                 basic_machine=i386-sequent
 530                 os=-dynix
 531                 ;;
 532         tower | tower-32)
 533                 basic_machine=m68k-ncr
 534                 ;;
 535         udi29k)
 536                 basic_machine=a29k-amd
 537                 os=-udi
 538                 ;;
 539         ultra3)
 540                 basic_machine=a29k-nyu
 541                 os=-sym1
 542                 ;;
 543         vaxv)
 544                 basic_machine=vax-dec
 545                 os=-sysv
 546                 ;;
 547         vms)
 548                 basic_machine=vax-dec
 549                 os=-vms
 550                 ;;
 551         vxworks960)
 552                 basic_machine=i960-wrs
 553                 os=-vxworks
 554                 ;;
 555         vxworks68)
 556                 basic_machine=m68k-wrs
 557                 os=-vxworks
 558                 ;;
 559         vxworks29k)
 560                 basic_machine=a29k-wrs
 561                 os=-vxworks
 562                 ;;
 563         xmp)
 564                 basic_machine=xmp-cray
 565                 os=-unicos
 566                 ;;
 567         xps | xps100)
 568                 basic_machine=xps100-honeywell
 569                 ;;
 570         none)
 571                 basic_machine=none-none
 572                 os=-none
 573                 ;;
 574
 575 # Here we handle the default manufacturer of certain CPU types.  It is in
 576 # some cases the only manufacturer, in others, it is the most popular.
 577         mips)
 578                 basic_machine=mips-mips
 579                 ;;
 580         romp)
 581                 basic_machine=romp-ibm
 582                 ;;
 583         rs6000)
 584                 basic_machine=rs6000-ibm
 585                 ;;
 586         vax)
 587                 basic_machine=vax-dec
 588                 ;;
 589         pdp11)
 590                 basic_machine=pdp11-dec
 591                 ;;
 592         we32k)
 593                 basic_machine=we32k-att
 594                 ;;
 595         sparc)
 596                 basic_machine=sparc-sun
 597                 ;;
 598         cydra)
 599                 basic_machine=cydra-cydrome
 600                 ;;
 601         orion)
 602                 basic_machine=orion-highlevel
 603                 ;;
 604         orion105)
 605                 basic_machine=clipper-highlevel
 606                 ;;
 607         *)
 608                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 609                 exit 1
 610                 ;;
 611 esac
 612
 613 # Here we canonicalize certain aliases for manufacturers.
 614 case $basic_machine in
 615         *-digital*)
 616                 basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
 617                 ;;
 618         *-commodore*)
 619                 basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
 620                 ;;
 621         *)
 622                 ;;
 623 esac
 624
 625 # Decode manufacturer-specific aliases for certain operating systems.
 626
 627 if [ x"$os" != x"" ]
 628 then
 629 case $os in
 630         # -solaris* is a basic system type, with this one exception.
 631         -solaris1 | -solaris1.*)
 632                 os=`echo $os | sed -e 's|solaris1|sunos4|'`
 633                 ;;
 634         -solaris)
 635                 os=-solaris2
 636                 ;;
 637         -unixware* | svr4*)
 638                 os=-sysv4
 639                 ;;
 640         -gnu/linux*)
 641                 os=`echo $os | sed -e 's|gnu/linux|linux|'`
 642                 ;;
 643         # First accept the basic system types.
 644         # The portable systems comes first.
 645         # Each alternative MUST END IN A *, to match a version number.
 646         # -sysv* is not here because it comes later, after sysvr4.
 647         -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 648               | -vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[3456]* \
 649               | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
 650               | -amigados* | -msdos* | -newsos* | -unicos* | -aof* | -aos* \
 651               | -nindy* | -vxworks* | -ebmon* | -hms* | -mvs* | -clix* \
 652               | -riscos* | -linux* | -uniplus* | -iris* | -rtu* | -xenix* \
 653               | -hiux* | -386bsd* | -netbsd* | -freebsd* | -riscix* \
 654               | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
 655               | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 656               | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux*)
 657         # Remember, each alternative MUST END IN *, to match a version number.
 658                 ;;
 659         -sunos5*)
 660                 os=`echo $os | sed -e 's|sunos5|solaris2|'`
 661                 ;;
 662         -sunos6*)
 663                 os=`echo $os | sed -e 's|sunos6|solaris3|'`
 664                 ;;
 665         -osfrose*)
 666                 os=-osfrose
 667                 ;;
 668         -osf*)
 669                 os=-osf
 670                 ;;
 671         -utek*)
 672                 os=-bsd
 673                 ;;
 674         -dynix*)
 675                 os=-bsd
 676                 ;;
 677         -acis*)
 678                 os=-aos
 679                 ;;
 680         -ctix* | -uts*)
 681                 os=-sysv
 682                 ;;
 683         -ns2 )
 684                 os=-nextstep2
 685                 ;;
 686         # Preserve the version number of sinix5.
 687         -sinix5.*)
 688                 os=`echo $os | sed -e 's|sinix|sysv|'`
 689                 ;;
 690         -sinix*)
 691                 os=-sysv4
 692                 ;;
 693         -triton*)
 694                 os=-sysv3
 695                 ;;
 696         -oss*)
 697                 os=-sysv3
 698                 ;;
 699         -svr4)
 700                 os=-sysv4
 701                 ;;
 702         -svr3)
 703                 os=-sysv3
 704                 ;;
 705         -sysvr4)
 706                 os=-sysv4
 707                 ;;
 708         # This must come after -sysvr4.
 709         -sysv*)
 710                 ;;
 711         -xenix)
 712                 os=-xenix
 713                 ;;
 714         -none)
 715                 ;;
 716         *)
 717                 # Get rid of the `-' at the beginning of $os.
 718                 os=`echo $os | sed 's/[^-]*-//'`
 719                 echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
 720                 exit 1
 721                 ;;
 722 esac
 723 else
 724
 725 # Here we handle the default operating systems that come with various machines.
 726 # The value should be what the vendor currently ships out the door with their
 727 # machine or put another way, the most popular os provided with the machine.
 728
 729 # Note that if you're going to try to match "-MANUFACTURER" here (say,
 730 # "-sun"), then you have to tell the case statement up towards the top
 731 # that MANUFACTURER isn't an operating system.  Otherwise, code above
 732 # will signal an error saying that MANUFACTURER isn't an operating
 733 # system, and we'll never get to this point.
 734
 735 case $basic_machine in
 736         *-acorn)
 737                 os=-riscix1.2
 738                 ;;
 739         arm*-semi)
 740                 os=-aout
 741                 ;;
 742         pdp11-*)
 743                 os=-none
 744                 ;;
 745         *-dec | vax-*)
 746                 os=-ultrix4.2
 747                 ;;
 748         m68*-apollo)
 749                 os=-domain
 750                 ;;
 751         i386-sun)
 752                 os=-sunos4.0.2
 753                 ;;
 754         m68000-sun)
 755                 os=-sunos3
 756                 # This also exists in the configure program, but was not the
 757                 # default.
 758                 # os=-sunos4
 759                 ;;
 760         *-tti)  # must be before sparc entry or we get the wrong os.
 761                 os=-sysv3
 762                 ;;
 763         sparc-* | *-sun)
 764                 os=-sunos4.1.1
 765                 ;;
 766         *-ibm)
 767                 os=-aix
 768                 ;;
 769         *-hp)
 770                 os=-hpux
 771                 ;;
 772         *-hitachi)
 773                 os=-hiux
 774                 ;;
 775         i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
 776                 os=-sysv
 777                 ;;
 778         *-cbm)
 779                 os=-amigados
 780                 ;;
 781         *-dg)
 782                 os=-dgux
 783                 ;;
 784         *-dolphin)
 785                 os=-sysv3
 786                 ;;
 787         m68k-ccur)
 788                 os=-rtu
 789                 ;;
 790         m88k-omron*)
 791                 os=-luna
 792                 ;;
 793         *-next )
 794                 os=-nextstep
 795                 ;;
 796         *-sequent)
 797                 os=-ptx
 798                 ;;
 799         *-crds)
 800                 os=-unos
 801                 ;;
 802         *-ns)
 803                 os=-genix
 804                 ;;
 805         i370-*)
 806                 os=-mvs
 807                 ;;
 808         *-next)
 809                 os=-nextstep3
 810                 ;;
 811         *-gould)
 812                 os=-sysv
 813                 ;;
 814         *-highlevel)
 815                 os=-bsd
 816                 ;;
 817         *-encore)
 818                 os=-bsd
 819                 ;;
 820         *-sgi)
 821                 os=-irix
 822                 ;;
 823         *-siemens)
 824                 os=-sysv4
 825                 ;;
 826         *-masscomp)
 827                 os=-rtu
 828                 ;;
 829         *)
 830                 os=-none
 831                 ;;
 832 esac
 833 fi
 834
 835 # Here we handle the case where we know the os, and the CPU type, but not the
 836 # manufacturer.  We pick the logical manufacturer.
 837 vendor=unknown
 838 case $basic_machine in
 839         *-unknown)
 840                 case $os in
 841                         -riscix*)
 842                                 vendor=acorn
 843                                 ;;
 844                         -sunos*)
 845                                 vendor=sun
 846                                 ;;
 847                         -lynxos*)
 848                                 vendor=lynx
 849                                 ;;
 850                         -aix*)
 851                                 vendor=ibm
 852                                 ;;
 853                         -hpux*)
 854                                 vendor=hp
 855                                 ;;
 856                         -hiux*)
 857                                 vendor=hitachi
 858                                 ;;
 859                         -unos*)
 860                                 vendor=crds
 861                                 ;;
 862                         -dgux*)
 863                                 vendor=dg
 864                                 ;;
 865                         -luna*)
 866                                 vendor=omron
 867                                 ;;
 868                         -genix*)
 869                                 vendor=ns
 870                                 ;;
 871                         -mvs*)
 872                                 vendor=ibm
 873                                 ;;
 874                         -ptx*)
 875                                 vendor=sequent
 876                                 ;;
 877                         -vxworks*)
 878                                 vendor=wrs
 879                                 ;;
 880                         -aux*)
 881                                 vendor=apple
 882                 esac
 883                 basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 884                 ;;
 885 esac
 886
 887 echo $basic_machine$os