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