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         aux)
 206                 basic_machine=m68k-apple
 207                 os=-aux
 208                 ;;
 209         balance)
 210                 basic_machine=ns32k-sequent
 211                 os=-dynix
 212                 ;;
 213         convex-c1)
 214                 basic_machine=c1-convex
 215                 os=-bsd
 216                 ;;
 217         convex-c2)
 218                 basic_machine=c2-convex
 219                 os=-bsd
 220                 ;;
 221         convex-c32)
 222                 basic_machine=c32-convex
 223                 os=-bsd
 224                 ;;
 225         convex-c34)
 226                 basic_machine=c34-convex
 227                 os=-bsd
 228                 ;;
 229         convex-c38)
 230                 basic_machine=c38-convex
 231                 os=-bsd
 232                 ;;
 233         cray | ymp)
 234                 basic_machine=ymp-cray
 235                 os=-unicos
 236                 ;;
 237         cray2)
 238                 basic_machine=cray2-cray
 239                 os=-unicos
 240                 ;;
 241         [ctj]90-cray)
 242                 basic_machine=c90-cray
 243                 os=-unicos
 244                 ;;
 245         crds | unos)
 246                 basic_machine=m68k-crds
 247                 ;;
 248         da30 | da30-*)
 249                 basic_machine=m68k-da30
 250                 ;;
 251         decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
 252                 basic_machine=mips-dec
 253                 ;;
 254         delta | 3300 | motorola-3300 | motorola-delta \
 255               | 3300-motorola | delta-motorola)
 256                 basic_machine=m68k-motorola
 257                 ;;
 258         delta88)
 259                 basic_machine=m88k-motorola
 260                 os=-sysv3
 261                 ;;
 262         dpx20 | dpx20-*)
 263                 basic_machine=rs6000-bull
 264                 os=-bosx
 265                 ;;
 266         dpx2* | dpx2*-bull)
 267                 basic_machine=m68k-bull
 268                 os=-sysv3
 269                 ;;
 270         ebmon29k)
 271                 basic_machine=a29k-amd
 272                 os=-ebmon
 273                 ;;
 274         elxsi)
 275                 basic_machine=elxsi-elxsi
 276                 os=-bsd
 277                 ;;
 278         encore | umax | mmax)
 279                 basic_machine=ns32k-encore
 280                 ;;
 281         fx2800)
 282                 basic_machine=i860-alliant
 283                 ;;
 284         genix)
 285                 basic_machine=ns32k-ns
 286                 ;;
 287         gmicro)
 288                 basic_machine=tron-gmicro
 289                 os=-sysv
 290                 ;;
 291         h3050r* | hiux*)
 292                 basic_machine=hppa1.1-hitachi
 293                 os=-hiuxwe2
 294                 ;;
 295         h8300hms)
 296                 basic_machine=h8300-hitachi
 297                 os=-hms
 298                 ;;
 299         harris)
 300                 basic_machine=m88k-harris
 301                 os=-sysv3
 302                 ;;
 303         hp300-*)
 304                 basic_machine=m68k-hp
 305                 ;;
 306         hp300bsd)
 307                 basic_machine=m68k-hp
 308                 os=-bsd
 309                 ;;
 310         hp300hpux)
 311                 basic_machine=m68k-hp
 312                 os=-hpux
 313                 ;;
 314         hp9k2[0-9][0-9] | hp9k31[0-9])
 315                 basic_machine=m68000-hp
 316                 ;;
 317         hp9k3[2-9][0-9])
 318                 basic_machine=m68k-hp
 319                 ;;
 320         hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7)
 321                 basic_machine=hppa1.1-hp
 322                 ;;
 323         hp9k8[0-9][0-9] | hp8[0-9][0-9])
 324                 basic_machine=hppa1.0-hp
 325                 ;;
 326         i370-ibm* | ibm*)
 327                 basic_machine=i370-ibm
 328                 os=-mvs
 329                 ;;
 330 # I'm not sure what "Sysv32" means.  Should this be sysv3.2?
 331         i[3456]86v32)
 332                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 333                 os=-sysv32
 334                 ;;
 335         i[3456]86v4*)
 336                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 337                 os=-sysv4
 338                 ;;
 339         i[3456]86v)
 340                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 341                 os=-sysv
 342                 ;;
 343         i[3456]86sol2)
 344                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 345                 os=-solaris2
 346                 ;;
 347         iris | iris4d)
 348                 basic_machine=mips-sgi
 349                 case $os in
 350                     -irix*)
 351                         ;;
 352                     *)
 353                         os=-irix4
 354                         ;;
 355                 esac
 356                 ;;
 357         isi68 | isi)
 358                 basic_machine=m68k-isi
 359                 os=-sysv
 360                 ;;
 361         m88k-omron*)
 362                 basic_machine=m88k-omron
 363                 ;;
 364         magnum | m3230)
 365                 basic_machine=mips-mips
 366                 os=-sysv
 367                 ;;
 368         merlin)
 369                 basic_machine=ns32k-utek
 370                 os=-sysv
 371                 ;;
 372         miniframe)
 373                 basic_machine=m68000-convergent
 374                 ;;
 375         mips3*-*)
 376                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
 377                 ;;
 378         mips3*)
 379                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
 380                 ;;
 381         ncr3000)
 382                 basic_machine=i486-ncr
 383                 os=-sysv4
 384                 ;;
 385         news | news700 | news800 | news900)
 386                 basic_machine=m68k-sony
 387                 os=-newsos
 388                 ;;
 389         news1000)
 390                 basic_machine=m68030-sony
 391                 os=-newsos
 392                 ;;
 393         news-3600 | risc-news)
 394                 basic_machine=mips-sony
 395                 os=-newsos
 396                 ;;
 397         next | m*-next )
 398                 basic_machine=m68k-next
 399                 case $os in
 400                     -nextstep* )
 401                         ;;
 402                     -ns2*)
 403                       os=-nextstep2
 404                         ;;
 405                     *)
 406                       os=-nextstep3
 407                         ;;
 408                 esac
 409                 ;;
 410         nh3000)
 411                 basic_machine=m68k-harris
 412                 os=-cxux
 413                 ;;
 414         nh[45]000)
 415                 basic_machine=m88k-harris
 416                 os=-cxux
 417                 ;;
 418         nindy960)
 419                 basic_machine=i960-intel
 420                 os=-nindy
 421                 ;;
 422         np1)
 423                 basic_machine=np1-gould
 424                 ;;
 425         pa-hitachi)
 426                 basic_machine=hppa1.1-hitachi
 427                 os=-hiuxwe2
 428                 ;;
 429         paragon)
 430                 basic_machine=i860-intel
 431                 os=-osf
 432                 ;;
 433         pbd)
 434                 basic_machine=sparc-tti
 435                 ;;
 436         pbb)
 437                 basic_machine=m68k-tti
 438                 ;;
 439         pc532 | pc532-*)
 440                 basic_machine=ns32k-pc532
 441                 ;;
 442         pentium | p5)
 443                 basic_machine=i586-intel
 444                 ;;
 445         pentiumpro | p6)
 446                 basic_machine=i686-intel
 447                 ;;
 448         pentium-* | p5-*)
 449                 basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 450                 ;;
 451         pentiumpro-* | p6-*)
 452                 basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 453                 ;;
 454         k5)
 455                 # We don't have specific support for AMD's K5 yet, so just call it a Pentium
 456                 basic_machine=i586-amd
 457                 ;;
 458         nexen)
 459                 # We don't have specific support for Nexgen yet, so just call it a Pentium
 460                 basic_machine=i586-nexgen
 461                 ;;
 462         pn)
 463                 basic_machine=pn-gould
 464                 ;;
 465         power)  basic_machine=rs6000-ibm
 466                 ;;
 467         ppc)    basic_machine=powerpc-unknown
 468                 ;;
 469         ppc-*)  basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 470                 ;;
 471         ppcle | powerpclittle | ppc-le | powerpc-little)
 472                 basic_machine=powerpcle-unknown
 473                 ;;
 474         ppcle-* | powerpclittle-*)
 475                 basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
 476                 ;;
 477         ps2)
 478                 basic_machine=i386-ibm
 479                 ;;
 480         rm[46]00)
 481                 basic_machine=mips-siemens
 482                 ;;
 483         rtpc | rtpc-*)
 484                 basic_machine=romp-ibm
 485                 ;;
 486         sequent)
 487                 basic_machine=i386-sequent
 488                 ;;
 489         sh)
 490                 basic_machine=sh-hitachi
 491                 os=-hms
 492                 ;;
 493         sps7)
 494                 basic_machine=m68k-bull
 495                 os=-sysv2
 496                 ;;
 497         spur)
 498                 basic_machine=spur-unknown
 499                 ;;
 500         sun2)
 501                 basic_machine=m68000-sun
 502                 ;;
 503         sun2os3)
 504                 basic_machine=m68000-sun
 505                 os=-sunos3
 506                 ;;
 507         sun2os4)
 508                 basic_machine=m68000-sun
 509                 os=-sunos4
 510                 ;;
 511         sun3os3)
 512                 basic_machine=m68k-sun
 513                 os=-sunos3
 514                 ;;
 515         sun3os4)
 516                 basic_machine=m68k-sun
 517                 os=-sunos4
 518                 ;;
 519         sun4os3)
 520                 basic_machine=sparc-sun
 521                 os=-sunos3
 522                 ;;
 523         sun4os4)
 524                 basic_machine=sparc-sun
 525                 os=-sunos4
 526                 ;;
 527         sun4sol2)
 528                 basic_machine=sparc-sun
 529                 os=-solaris2
 530                 ;;
 531         sun3 | sun3-*)
 532                 basic_machine=m68k-sun
 533                 ;;
 534         sun4)
 535                 basic_machine=sparc-sun
 536                 ;;
 537         sun386 | sun386i | roadrunner)
 538                 basic_machine=i386-sun
 539                 ;;
 540         symmetry)
 541                 basic_machine=i386-sequent
 542                 os=-dynix
 543                 ;;
 544         tower | tower-32)
 545                 basic_machine=m68k-ncr
 546                 ;;
 547         udi29k)
 548                 basic_machine=a29k-amd
 549                 os=-udi
 550                 ;;
 551         ultra3)
 552                 basic_machine=a29k-nyu
 553                 os=-sym1
 554                 ;;
 555         vaxv)
 556                 basic_machine=vax-dec
 557                 os=-sysv
 558                 ;;
 559         vms)
 560                 basic_machine=vax-dec
 561                 os=-vms
 562                 ;;
 563         vxworks960)
 564                 basic_machine=i960-wrs
 565                 os=-vxworks
 566                 ;;
 567         vxworks68)
 568                 basic_machine=m68k-wrs
 569                 os=-vxworks
 570                 ;;
 571         vxworks29k)
 572                 basic_machine=a29k-wrs
 573                 os=-vxworks
 574                 ;;
 575         xmp)
 576                 basic_machine=xmp-cray
 577                 os=-unicos
 578                 ;;
 579         xps | xps100)
 580                 basic_machine=xps100-honeywell
 581                 ;;
 582         none)
 583                 basic_machine=none-none
 584                 os=-none
 585                 ;;
 586
 587 # Here we handle the default manufacturer of certain CPU types.  It is in
 588 # some cases the only manufacturer, in others, it is the most popular.
 589         mips)
 590                 basic_machine=mips-mips
 591                 ;;
 592         romp)
 593                 basic_machine=romp-ibm
 594                 ;;
 595         rs6000)
 596                 basic_machine=rs6000-ibm
 597                 ;;
 598         vax)
 599                 basic_machine=vax-dec
 600                 ;;
 601         pdp11)
 602                 basic_machine=pdp11-dec
 603                 ;;
 604         we32k)
 605                 basic_machine=we32k-att
 606                 ;;
 607         sparc)
 608                 basic_machine=sparc-sun
 609                 ;;
 610         cydra)
 611                 basic_machine=cydra-cydrome
 612                 ;;
 613         orion)
 614                 basic_machine=orion-highlevel
 615                 ;;
 616         orion105)
 617                 basic_machine=clipper-highlevel
 618                 ;;
 619         *)
 620                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 621                 exit 1
 622                 ;;
 623 esac
 624
 625 # Here we canonicalize certain aliases for manufacturers.
 626 case $basic_machine in
 627         *-digital*)
 628                 basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
 629                 ;;
 630         *-commodore*)
 631                 basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
 632                 ;;
 633         *)
 634                 ;;
 635 esac
 636
 637 # Decode manufacturer-specific aliases for certain operating systems.
 638
 639 if [ x"$os" != x"" ]
 640 then
 641 case $os in
 642         # -solaris* is a basic system type, with this one exception.
 643         -solaris1 | -solaris1.*)
 644                 os=`echo $os | sed -e 's|solaris1|sunos4|'`
 645                 ;;
 646         -solaris)
 647                 os=-solaris2
 648                 ;;
 649         -unixware* | svr4*)
 650                 os=-sysv4
 651                 ;;
 652         -gnu/linux*)
 653                 os=`echo $os | sed -e 's|gnu/linux|linux|'`
 654                 ;;
 655         # First accept the basic system types.
 656         # The portable systems comes first.
 657         # Each alternative MUST END IN A *, to match a version number.
 658         # -sysv* is not here because it comes later, after sysvr4.
 659         -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 660               | -vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]* \
 661               | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
 662               | -amigados* | -msdos* | -newsos* | -unicos* | -aof* | -aos* \
 663               | -nindy* | -vxworks* | -ebmon* | -hms* | -mvs* | -clix* \
 664               | -riscos* | -linux* | -uniplus* | -iris* | -rtu* | -xenix* \
 665               | -hiux* | -386bsd* | -netbsd* | -freebsd* | -riscix* \
 666               | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
 667               | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 668               | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
 669               | -cygwin32* | -pe* | -psos* | -moss* )
 670         # Remember, each alternative MUST END IN *, to match a version number.
 671                 ;;
 672         -sunos5*)
 673                 os=`echo $os | sed -e 's|sunos5|solaris2|'`
 674                 ;;
 675         -sunos6*)
 676                 os=`echo $os | sed -e 's|sunos6|solaris3|'`
 677                 ;;
 678         -osfrose*)
 679                 os=-osfrose
 680                 ;;
 681         -osf*)
 682                 os=-osf
 683                 ;;
 684         -utek*)
 685                 os=-bsd
 686                 ;;
 687         -dynix*)
 688                 os=-bsd
 689                 ;;
 690         -acis*)
 691                 os=-aos
 692                 ;;
 693         -ctix* | -uts*)
 694                 os=-sysv
 695                 ;;
 696         -ns2 )
 697                 os=-nextstep2
 698                 ;;
 699         # Preserve the version number of sinix5.
 700         -sinix5.*)
 701                 os=`echo $os | sed -e 's|sinix|sysv|'`
 702                 ;;
 703         -sinix*)
 704                 os=-sysv4
 705                 ;;
 706         -triton*)
 707                 os=-sysv3
 708                 ;;
 709         -oss*)
 710                 os=-sysv3
 711                 ;;
 712         -svr4)
 713                 os=-sysv4
 714                 ;;
 715         -svr3)
 716                 os=-sysv3
 717                 ;;
 718         -sysvr4)
 719                 os=-sysv4
 720                 ;;
 721         # This must come after -sysvr4.
 722         -sysv*)
 723                 ;;
 724         -xenix)
 725                 os=-xenix
 726                 ;;
 727         -none)
 728                 ;;
 729         *)
 730                 # Get rid of the `-' at the beginning of $os.
 731                 os=`echo $os | sed 's/[^-]*-//'`
 732                 echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
 733                 exit 1
 734                 ;;
 735 esac
 736 else
 737
 738 # Here we handle the default operating systems that come with various machines.
 739 # The value should be what the vendor currently ships out the door with their
 740 # machine or put another way, the most popular os provided with the machine.
 741
 742 # Note that if you're going to try to match "-MANUFACTURER" here (say,
 743 # "-sun"), then you have to tell the case statement up towards the top
 744 # that MANUFACTURER isn't an operating system.  Otherwise, code above
 745 # will signal an error saying that MANUFACTURER isn't an operating
 746 # system, and we'll never get to this point.
 747
 748 case $basic_machine in
 749         *-acorn)
 750                 os=-riscix1.2
 751                 ;;
 752         arm*-semi)
 753                 os=-aout
 754                 ;;
 755         pdp11-*)
 756                 os=-none
 757                 ;;
 758         *-dec | vax-*)
 759                 os=-ultrix4.2
 760                 ;;
 761         m68*-apollo)
 762                 os=-domain
 763                 ;;
 764         i386-sun)
 765                 os=-sunos4.0.2
 766                 ;;
 767         m68000-sun)
 768                 os=-sunos3
 769                 # This also exists in the configure program, but was not the
 770                 # default.
 771                 # os=-sunos4
 772                 ;;
 773         *-tti)  # must be before sparc entry or we get the wrong os.
 774                 os=-sysv3
 775                 ;;
 776         sparc-* | *-sun)
 777                 os=-sunos4.1.1
 778                 ;;
 779         *-ibm)
 780                 os=-aix
 781                 ;;
 782         *-hp)
 783                 os=-hpux
 784                 ;;
 785         *-hitachi)
 786                 os=-hiux
 787                 ;;
 788         i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
 789                 os=-sysv
 790                 ;;
 791         *-cbm)
 792                 os=-amigados
 793                 ;;
 794         *-dg)
 795                 os=-dgux
 796                 ;;
 797         *-dolphin)
 798                 os=-sysv3
 799                 ;;
 800         m68k-ccur)
 801                 os=-rtu
 802                 ;;
 803         m88k-omron*)
 804                 os=-luna
 805                 ;;
 806         *-next )
 807                 os=-nextstep
 808                 ;;
 809         *-sequent)
 810                 os=-ptx
 811                 ;;
 812         *-crds)
 813                 os=-unos
 814                 ;;
 815         *-ns)
 816                 os=-genix
 817                 ;;
 818         i370-*)
 819                 os=-mvs
 820                 ;;
 821         *-next)
 822                 os=-nextstep3
 823                 ;;
 824         *-gould)
 825                 os=-sysv
 826                 ;;
 827         *-highlevel)
 828                 os=-bsd
 829                 ;;
 830         *-encore)
 831                 os=-bsd
 832                 ;;
 833         *-sgi)
 834                 os=-irix
 835                 ;;
 836         *-siemens)
 837                 os=-sysv4
 838                 ;;
 839         *-masscomp)
 840                 os=-rtu
 841                 ;;
 842         *)
 843                 os=-none
 844                 ;;
 845 esac
 846 fi
 847
 848 # Here we handle the case where we know the os, and the CPU type, but not the
 849 # manufacturer.  We pick the logical manufacturer.
 850 vendor=unknown
 851 case $basic_machine in
 852         *-unknown)
 853                 case $os in
 854                         -riscix*)
 855                                 vendor=acorn
 856                                 ;;
 857                         -sunos*)
 858                                 vendor=sun
 859                                 ;;
 860                         -lynxos*)
 861                                 vendor=lynx
 862                                 ;;
 863                         -aix*)
 864                                 vendor=ibm
 865                                 ;;
 866                         -hpux*)
 867                                 vendor=hp
 868                                 ;;
 869                         -hiux*)
 870                                 vendor=hitachi
 871                                 ;;
 872                         -unos*)
 873                                 vendor=crds
 874                                 ;;
 875                         -dgux*)
 876                                 vendor=dg
 877                                 ;;
 878                         -luna*)
 879                                 vendor=omron
 880                                 ;;
 881                         -genix*)
 882                                 vendor=ns
 883                                 ;;
 884                         -mvs*)
 885                                 vendor=ibm
 886                                 ;;
 887                         -ptx*)
 888                                 vendor=sequent
 889                                 ;;
 890                         -vxworks*)
 891                                 vendor=wrs
 892                                 ;;
 893                         -aux*)
 894                                 vendor=apple
 895                                 ;;
 896                         -aux*)
 897                                 vendor=apple
 898                 esac
 899                 basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 900                 ;;
 901 esac
 902
 903 echo $basic_machine$os