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         -apple)
  86                 os=
  87                 basic_machine=$1
  88                 ;;
  89         -hiux*)
  90                 os=-hiuxwe2
  91                 ;;
  92         -sco5)
  93                 os=sco3.2v5
  94                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
  95                 ;;
  96         -sco4)
  97                 os=-sco3.2v4
  98                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
  99                 ;;
 100         -sco3.2.[4-9]*)
 101                 os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
 102                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 103                 ;;
 104         -sco3.2v[4-9]*)
 105                 # Don't forget version if it is 3.2v4 or newer.
 106                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 107                 ;;
 108         -sco*)
 109                 os=-sco3.2v2
 110                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 111                 ;;
 112         -isc)
 113                 os=-isc2.2
 114                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 115                 ;;
 116         -clix*)
 117                 basic_machine=clipper-intergraph
 118                 ;;
 119         -isc*)
 120                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 121                 ;;
 122         -lynx*)
 123                 os=-lynxos
 124                 ;;
 125         -ptx*)
 126                 basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
 127                 ;;
 128         -windowsnt*)
 129                 os=`echo $os | sed -e 's/windowsnt/winnt/'`
 130                 ;;
 131         -psos*)
 132                 os=-psos
 133                 ;;
 134 esac
 135
 136 # Decode aliases for certain CPU-COMPANY combinations.
 137 case $basic_machine in
 138         # Recognize the basic CPU types without company name.
 139         # Some are omitted here because they have special meanings below.
 140         tahoe | i[3456]86 | i860 | m68k | m68000 | m88k | ns32k | arm \
 141                 | arme[lb] | pyramid \
 142                 | tron | a29k | 580 | i960 | h8300 | hppa1.0 | hppa1.1 \
 143                 | alpha | we32k | ns16k | clipper | i370 | sh \
 144                 | powerpc | powerpcle | 1750a | dsp16xx | mips64 | mipsel \
 145                 | pdp11 | mips64el | mips64orion | mips64orionel \
 146                 | sparc | sparclet | sparclite | sparc64)
 147                 basic_machine=$basic_machine-unknown
 148                 ;;
 149         # Object if more than one company name word.
 150         *-*-*)
 151                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 152                 exit 1
 153                 ;;
 154         # Recognize the basic CPU types with company name.
 155         vax-* | tahoe-* | i[3456]86-* | i860-* | m68k-* | m68000-* | m88k-* \
 156               | sparc-* | ns32k-* | fx80-* | arm-* | c[123]* \
 157               | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* | power-* \
 158               | none-* | 580-* | cray2-* | h8300-* | i960-* | xmp-* | ymp-* \
 159               | hppa1.0-* | hppa1.1-* | alpha-* | we32k-* | cydra-* | ns16k-* \
 160               | pn-* | np1-* | xps100-* | clipper-* | orion-* | sparclite-* \
 161               | pdp11-* | sh-* | powerpc-* | powerpcle-* | sparc64-* | mips64-* | mipsel-* \
 162               | mips64el-* | mips64orion-* | mips64orionel-*)
 163                 ;;
 164         # Recognize the various machine names and aliases which stand
 165         # for a CPU type and a company and sometimes even an OS.
 166         3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
 167                 basic_machine=m68000-att
 168                 ;;
 169         3b*)
 170                 basic_machine=we32k-att
 171                 ;;
 172         alliant | fx80)
 173                 basic_machine=fx80-alliant
 174                 ;;
 175         altos | altos3068)
 176                 basic_machine=m68k-altos
 177                 ;;
 178         am29k)
 179                 basic_machine=a29k-none
 180                 os=-bsd
 181                 ;;
 182         amdahl)
 183                 basic_machine=580-amdahl
 184                 os=-sysv
 185                 ;;
 186         amiga | amiga-*)
 187                 basic_machine=m68k-cbm
 188                 ;;
 189         amigados)
 190                 basic_machine=m68k-cbm
 191                 os=-amigados
 192                 ;;
 193         amigaunix | amix)
 194                 basic_machine=m68k-cbm
 195                 os=-sysv4
 196                 ;;
 197         apollo68)
 198                 basic_machine=m68k-apollo
 199                 os=-sysv
 200                 ;;
 201         aux)
 202                 basic_machine=m68k-apple
 203                 os=-aux
 204                 ;;
 205         balance)
 206                 basic_machine=ns32k-sequent
 207                 os=-dynix
 208                 ;;
 209         convex-c1)
 210                 basic_machine=c1-convex
 211                 os=-bsd
 212                 ;;
 213         convex-c2)
 214                 basic_machine=c2-convex
 215                 os=-bsd
 216                 ;;
 217         convex-c32)
 218                 basic_machine=c32-convex
 219                 os=-bsd
 220                 ;;
 221         convex-c34)
 222                 basic_machine=c34-convex
 223                 os=-bsd
 224                 ;;
 225         convex-c38)
 226                 basic_machine=c38-convex
 227                 os=-bsd
 228                 ;;
 229         cray | ymp)
 230                 basic_machine=ymp-cray
 231                 os=-unicos
 232                 ;;
 233         cray2)
 234                 basic_machine=cray2-cray
 235                 os=-unicos
 236                 ;;
 237         [ctj]90-cray)
 238                 basic_machine=c90-cray
 239                 os=-unicos
 240                 ;;
 241         crds | unos)
 242                 basic_machine=m68k-crds
 243                 ;;
 244         da30 | da30-*)
 245                 basic_machine=m68k-da30
 246                 ;;
 247         decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
 248                 basic_machine=mips-dec
 249                 ;;
 250         delta | 3300 | motorola-3300 | motorola-delta \
 251               | 3300-motorola | delta-motorola)
 252                 basic_machine=m68k-motorola
 253                 ;;
 254         delta88)
 255                 basic_machine=m88k-motorola
 256                 os=-sysv3
 257                 ;;
 258         dpx20 | dpx20-*)
 259                 basic_machine=rs6000-bull
 260                 os=-bosx
 261                 ;;
 262         dpx2* | dpx2*-bull)
 263                 basic_machine=m68k-bull
 264                 os=-sysv3
 265                 ;;
 266         ebmon29k)
 267                 basic_machine=a29k-amd
 268                 os=-ebmon
 269                 ;;
 270         elxsi)
 271                 basic_machine=elxsi-elxsi
 272                 os=-bsd
 273                 ;;
 274         encore | umax | mmax)
 275                 basic_machine=ns32k-encore
 276                 ;;
 277         fx2800)
 278                 basic_machine=i860-alliant
 279                 ;;
 280         genix)
 281                 basic_machine=ns32k-ns
 282                 ;;
 283         gmicro)
 284                 basic_machine=tron-gmicro
 285                 os=-sysv
 286                 ;;
 287         h3050r* | hiux*)
 288                 basic_machine=hppa1.1-hitachi
 289                 os=-hiuxwe2
 290                 ;;
 291         h8300hms)
 292                 basic_machine=h8300-hitachi
 293                 os=-hms
 294                 ;;
 295         harris)
 296                 basic_machine=m88k-harris
 297                 os=-sysv3
 298                 ;;
 299         hp300-*)
 300                 basic_machine=m68k-hp
 301                 ;;
 302         hp300bsd)
 303                 basic_machine=m68k-hp
 304                 os=-bsd
 305                 ;;
 306         hp300hpux)
 307                 basic_machine=m68k-hp
 308                 os=-hpux
 309                 ;;
 310         hp9k2[0-9][0-9] | hp9k31[0-9])
 311                 basic_machine=m68000-hp
 312                 ;;
 313         hp9k3[2-9][0-9])
 314                 basic_machine=m68k-hp
 315                 ;;
 316         hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7)
 317                 basic_machine=hppa1.1-hp
 318                 ;;
 319         hp9k8[0-9][0-9] | hp8[0-9][0-9])
 320                 basic_machine=hppa1.0-hp
 321                 ;;
 322         i370-ibm* | ibm*)
 323                 basic_machine=i370-ibm
 324                 os=-mvs
 325                 ;;
 326 # I'm not sure what "Sysv32" means.  Should this be sysv3.2?
 327         i[3456]86v32)
 328                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 329                 os=-sysv32
 330                 ;;
 331         i[3456]86v4*)
 332                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 333                 os=-sysv4
 334                 ;;
 335         i[3456]86v)
 336                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 337                 os=-sysv
 338                 ;;
 339         i[3456]86sol2)
 340                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 341                 os=-solaris2
 342                 ;;
 343         iris | iris4d)
 344                 basic_machine=mips-sgi
 345                 case $os in
 346                     -irix*)
 347                         ;;
 348                     *)
 349                         os=-irix4
 350                         ;;
 351                 esac
 352                 ;;
 353         isi68 | isi)
 354                 basic_machine=m68k-isi
 355                 os=-sysv
 356                 ;;
 357         m88k-omron*)
 358                 basic_machine=m88k-omron
 359                 ;;
 360         magnum | m3230)
 361                 basic_machine=mips-mips
 362                 os=-sysv
 363                 ;;
 364         merlin)
 365                 basic_machine=ns32k-utek
 366                 os=-sysv
 367                 ;;
 368         miniframe)
 369                 basic_machine=m68000-convergent
 370                 ;;
 371         mips3*-*)
 372                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
 373                 ;;
 374         mips3*)
 375                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
 376                 ;;
 377         ncr3000)
 378                 basic_machine=i486-ncr
 379                 os=-sysv4
 380                 ;;
 381         news | news700 | news800 | news900)
 382                 basic_machine=m68k-sony
 383                 os=-newsos
 384                 ;;
 385         news1000)
 386                 basic_machine=m68030-sony
 387                 os=-newsos
 388                 ;;
 389         news-3600 | risc-news)
 390                 basic_machine=mips-sony
 391                 os=-newsos
 392                 ;;
 393         next | m*-next )
 394                 basic_machine=m68k-next
 395                 case $os in
 396                     -nextstep* )
 397                         ;;
 398                     -ns2*)
 399                       os=-nextstep2
 400                         ;;
 401                     *)
 402                       os=-nextstep3
 403                         ;;
 404                 esac
 405                 ;;
 406         nh3000)
 407                 basic_machine=m68k-harris
 408                 os=-cxux
 409                 ;;
 410         nh[45]000)
 411                 basic_machine=m88k-harris
 412                 os=-cxux
 413                 ;;
 414         nindy960)
 415                 basic_machine=i960-intel
 416                 os=-nindy
 417                 ;;
 418         np1)
 419                 basic_machine=np1-gould
 420                 ;;
 421         pa-hitachi)
 422                 basic_machine=hppa1.1-hitachi
 423                 os=-hiuxwe2
 424                 ;;
 425         paragon)
 426                 basic_machine=i860-intel
 427                 os=-osf
 428                 ;;
 429         pbd)
 430                 basic_machine=sparc-tti
 431                 ;;
 432         pbb)
 433                 basic_machine=m68k-tti
 434                 ;;
 435         pc532 | pc532-*)
 436                 basic_machine=ns32k-pc532
 437                 ;;
 438         pentium | p5)
 439                 basic_machine=i586-intel
 440                 ;;
 441         pentiumpro | p6)
 442                 basic_machine=i686-intel
 443                 ;;
 444         pentium-* | p5-*)
 445                 basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 446                 ;;
 447         pentiumpro-* | p6-*)
 448                 basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 449                 ;;
 450         k5)
 451                 # We don't have specific support for AMD's K5 yet, so just call it a Pentium
 452                 basic_machine=i586-amd
 453                 ;;
 454         nexen)
 455                 # We don't have specific support for Nexgen yet, so just call it a Pentium
 456                 basic_machine=i586-nexgen
 457                 ;;
 458         pn)
 459                 basic_machine=pn-gould
 460                 ;;
 461         power)  basic_machine=rs6000-ibm
 462                 ;;
 463         ppc)    basic_machine=powerpc-unknown
 464                 ;;
 465         ppc-*)  basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 466                 ;;
 467         ppcle | powerpclittle | ppc-le | powerpc-little)
 468                 basic_machine=powerpcle-unknown
 469                 ;;
 470         ppcle-* | powerpclittle-*)
 471                 basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
 472                 ;;
 473         ps2)
 474                 basic_machine=i386-ibm
 475                 ;;
 476         rm[46]00)
 477                 basic_machine=mips-siemens
 478                 ;;
 479         rtpc | rtpc-*)
 480                 basic_machine=romp-ibm
 481                 ;;
 482         sequent)
 483                 basic_machine=i386-sequent
 484                 ;;
 485         sh)
 486                 basic_machine=sh-hitachi
 487                 os=-hms
 488                 ;;
 489         sps7)
 490                 basic_machine=m68k-bull
 491                 os=-sysv2
 492                 ;;
 493         spur)
 494                 basic_machine=spur-unknown
 495                 ;;
 496         sun2)
 497                 basic_machine=m68000-sun
 498                 ;;
 499         sun2os3)
 500                 basic_machine=m68000-sun
 501                 os=-sunos3
 502                 ;;
 503         sun2os4)
 504                 basic_machine=m68000-sun
 505                 os=-sunos4
 506                 ;;
 507         sun3os3)
 508                 basic_machine=m68k-sun
 509                 os=-sunos3
 510                 ;;
 511         sun3os4)
 512                 basic_machine=m68k-sun
 513                 os=-sunos4
 514                 ;;
 515         sun4os3)
 516                 basic_machine=sparc-sun
 517                 os=-sunos3
 518                 ;;
 519         sun4os4)
 520                 basic_machine=sparc-sun
 521                 os=-sunos4
 522                 ;;
 523         sun4sol2)
 524                 basic_machine=sparc-sun
 525                 os=-solaris2
 526                 ;;
 527         sun3 | sun3-*)
 528                 basic_machine=m68k-sun
 529                 ;;
 530         sun4)
 531                 basic_machine=sparc-sun
 532                 ;;
 533         sun386 | sun386i | roadrunner)
 534                 basic_machine=i386-sun
 535                 ;;
 536         symmetry)
 537                 basic_machine=i386-sequent
 538                 os=-dynix
 539                 ;;
 540         tower | tower-32)
 541                 basic_machine=m68k-ncr
 542                 ;;
 543         udi29k)
 544                 basic_machine=a29k-amd
 545                 os=-udi
 546                 ;;
 547         ultra3)
 548                 basic_machine=a29k-nyu
 549                 os=-sym1
 550                 ;;
 551         vaxv)
 552                 basic_machine=vax-dec
 553                 os=-sysv
 554                 ;;
 555         vms)
 556                 basic_machine=vax-dec
 557                 os=-vms
 558                 ;;
 559         vxworks960)
 560                 basic_machine=i960-wrs
 561                 os=-vxworks
 562                 ;;
 563         vxworks68)
 564                 basic_machine=m68k-wrs
 565                 os=-vxworks
 566                 ;;
 567         vxworks29k)
 568                 basic_machine=a29k-wrs
 569                 os=-vxworks
 570                 ;;
 571         xmp)
 572                 basic_machine=xmp-cray
 573                 os=-unicos
 574                 ;;
 575         xps | xps100)
 576                 basic_machine=xps100-honeywell
 577                 ;;
 578         none)
 579                 basic_machine=none-none
 580                 os=-none
 581                 ;;
 582
 583 # Here we handle the default manufacturer of certain CPU types.  It is in
 584 # some cases the only manufacturer, in others, it is the most popular.
 585         mips)
 586                 basic_machine=mips-mips
 587                 ;;
 588         romp)
 589                 basic_machine=romp-ibm
 590                 ;;
 591         rs6000)
 592                 basic_machine=rs6000-ibm
 593                 ;;
 594         vax)
 595                 basic_machine=vax-dec
 596                 ;;
 597         pdp11)
 598                 basic_machine=pdp11-dec
 599                 ;;
 600         we32k)
 601                 basic_machine=we32k-att
 602                 ;;
 603         sparc)
 604                 basic_machine=sparc-sun
 605                 ;;
 606         cydra)
 607                 basic_machine=cydra-cydrome
 608                 ;;
 609         orion)
 610                 basic_machine=orion-highlevel
 611                 ;;
 612         orion105)
 613                 basic_machine=clipper-highlevel
 614                 ;;
 615         *)
 616                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 617                 exit 1
 618                 ;;
 619 esac
 620
 621 # Here we canonicalize certain aliases for manufacturers.
 622 case $basic_machine in
 623         *-digital*)
 624                 basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
 625                 ;;
 626         *-commodore*)
 627                 basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
 628                 ;;
 629         *)
 630                 ;;
 631 esac
 632
 633 # Decode manufacturer-specific aliases for certain operating systems.
 634
 635 if [ x"$os" != x"" ]
 636 then
 637 case $os in
 638         # -solaris* is a basic system type, with this one exception.
 639         -solaris1 | -solaris1.*)
 640                 os=`echo $os | sed -e 's|solaris1|sunos4|'`
 641                 ;;
 642         -solaris)
 643                 os=-solaris2
 644                 ;;
 645         -unixware* | svr4*)
 646                 os=-sysv4
 647                 ;;
 648         -gnu/linux*)
 649                 os=`echo $os | sed -e 's|gnu/linux|linux|'`
 650                 ;;
 651         # First accept the basic system types.
 652         # The portable systems comes first.
 653         # Each alternative MUST END IN A *, to match a version number.
 654         # -sysv* is not here because it comes later, after sysvr4.
 655         -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 656               | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
 657               | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
 658               | -amigados* | -msdos* | -newsos* | -unicos* | -aof* | -aos* \
 659               | -nindy* | -vxworks* | -ebmon* | -hms* | -mvs* | -clix* \
 660               | -riscos* | -linux* | -uniplus* | -iris* | -rtu* | -xenix* \
 661               | -hiux* | -386bsd* | -netbsd* | -freebsd* | -riscix* \
 662               | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
 663               | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 664               | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
 665               | -cygwin32* | -pe* | -psos* | -moss* | -proelf* | -rtems*)
 666         # Remember, each alternative MUST END IN *, to match a version number.
 667                 ;;
 668         -sunos5*)
 669                 os=`echo $os | sed -e 's|sunos5|solaris2|'`
 670                 ;;
 671         -sunos6*)
 672                 os=`echo $os | sed -e 's|sunos6|solaris3|'`
 673                 ;;
 674         -osfrose*)
 675                 os=-osfrose
 676                 ;;
 677         -osf*)
 678                 os=-osf
 679                 ;;
 680         -utek*)
 681                 os=-bsd
 682                 ;;
 683         -dynix*)
 684                 os=-bsd
 685                 ;;
 686         -acis*)
 687                 os=-aos
 688                 ;;
 689         -ctix* | -uts*)
 690                 os=-sysv
 691                 ;;
 692         -ns2 )
 693                 os=-nextstep2
 694                 ;;
 695         # Preserve the version number of sinix5.
 696         -sinix5.*)
 697                 os=`echo $os | sed -e 's|sinix|sysv|'`
 698                 ;;
 699         -sinix*)
 700                 os=-sysv4
 701                 ;;
 702         -triton*)
 703                 os=-sysv3
 704                 ;;
 705         -oss*)
 706                 os=-sysv3
 707                 ;;
 708         -svr4)
 709                 os=-sysv4
 710                 ;;
 711         -svr3)
 712                 os=-sysv3
 713                 ;;
 714         -sysvr4)
 715                 os=-sysv4
 716                 ;;
 717         # This must come after -sysvr4.
 718         -sysv*)
 719                 ;;
 720         -xenix)
 721                 os=-xenix
 722                 ;;
 723         -none)
 724                 ;;
 725         *)
 726                 # Get rid of the `-' at the beginning of $os.
 727                 os=`echo $os | sed 's/[^-]*-//'`
 728                 echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
 729                 exit 1
 730                 ;;
 731 esac
 732 else
 733
 734 # Here we handle the default operating systems that come with various machines.
 735 # The value should be what the vendor currently ships out the door with their
 736 # machine or put another way, the most popular os provided with the machine.
 737
 738 # Note that if you're going to try to match "-MANUFACTURER" here (say,
 739 # "-sun"), then you have to tell the case statement up towards the top
 740 # that MANUFACTURER isn't an operating system.  Otherwise, code above
 741 # will signal an error saying that MANUFACTURER isn't an operating
 742 # system, and we'll never get to this point.
 743
 744 case $basic_machine in
 745         *-acorn)
 746                 os=-riscix1.2
 747                 ;;
 748         arm*-semi)
 749                 os=-aout
 750                 ;;
 751         pdp11-*)
 752                 os=-none
 753                 ;;
 754         *-dec | vax-*)
 755                 os=-ultrix4.2
 756                 ;;
 757         m68*-apollo)
 758                 os=-domain
 759                 ;;
 760         i386-sun)
 761                 os=-sunos4.0.2
 762                 ;;
 763         m68000-sun)
 764                 os=-sunos3
 765                 # This also exists in the configure program, but was not the
 766                 # default.
 767                 # os=-sunos4
 768                 ;;
 769         *-tti)  # must be before sparc entry or we get the wrong os.
 770                 os=-sysv3
 771                 ;;
 772         sparc-* | *-sun)
 773                 os=-sunos4.1.1
 774                 ;;
 775         *-ibm)
 776                 os=-aix
 777                 ;;
 778         *-hp)
 779                 os=-hpux
 780                 ;;
 781         *-hitachi)
 782                 os=-hiux
 783                 ;;
 784         i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
 785                 os=-sysv
 786                 ;;
 787         *-cbm)
 788                 os=-amigados
 789                 ;;
 790         *-dg)
 791                 os=-dgux
 792                 ;;
 793         *-dolphin)
 794                 os=-sysv3
 795                 ;;
 796         m68k-ccur)
 797                 os=-rtu
 798                 ;;
 799         m88k-omron*)
 800                 os=-luna
 801                 ;;
 802         *-next )
 803                 os=-nextstep
 804                 ;;
 805         *-sequent)
 806                 os=-ptx
 807                 ;;
 808         *-crds)
 809                 os=-unos
 810                 ;;
 811         *-ns)
 812                 os=-genix
 813                 ;;
 814         i370-*)
 815                 os=-mvs
 816                 ;;
 817         *-next)
 818                 os=-nextstep3
 819                 ;;
 820         *-gould)
 821                 os=-sysv
 822                 ;;
 823         *-highlevel)
 824                 os=-bsd
 825                 ;;
 826         *-encore)
 827                 os=-bsd
 828                 ;;
 829         *-sgi)
 830                 os=-irix
 831                 ;;
 832         *-siemens)
 833                 os=-sysv4
 834                 ;;
 835         *-masscomp)
 836                 os=-rtu
 837                 ;;
 838         *)
 839                 os=-none
 840                 ;;
 841 esac
 842 fi
 843
 844 # Here we handle the case where we know the os, and the CPU type, but not the
 845 # manufacturer.  We pick the logical manufacturer.
 846 vendor=unknown
 847 case $basic_machine in
 848         *-unknown)
 849                 case $os in
 850                         -riscix*)
 851                                 vendor=acorn
 852                                 ;;
 853                         -sunos*)
 854                                 vendor=sun
 855                                 ;;
 856                         -lynxos*)
 857                                 vendor=lynx
 858                                 ;;
 859                         -aix*)
 860                                 vendor=ibm
 861                                 ;;
 862                         -hpux*)
 863                                 vendor=hp
 864                                 ;;
 865                         -hiux*)
 866                                 vendor=hitachi
 867                                 ;;
 868                         -unos*)
 869                                 vendor=crds
 870                                 ;;
 871                         -dgux*)
 872                                 vendor=dg
 873                                 ;;
 874                         -luna*)
 875                                 vendor=omron
 876                                 ;;
 877                         -genix*)
 878                                 vendor=ns
 879                                 ;;
 880                         -mvs*)
 881                                 vendor=ibm
 882                                 ;;
 883                         -ptx*)
 884                                 vendor=sequent
 885                                 ;;
 886                         -vxworks*)
 887                                 vendor=wrs
 888                                 ;;
 889                         -aux*)
 890                                 vendor=apple
 891                                 ;;
 892                 esac
 893                 basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 894                 ;;
 895 esac
 896
 897 echo $basic_machine$os