user/lrzsz/config.sub

   1 #! /bin/sh
   2 # Configuration validation subroutine script, version 1.1.
   3 #   Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
   4 # This file is (in principle) common to ALL GNU software.
   5 # The presence of a machine in this file suggests that SOME GNU software
   6 # can handle that machine.  It does not imply ALL GNU software can.
   7 #
   8 # This file is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 59 Temple Place - Suite 330,
  21 # Boston, MA 02111-1307, USA.
  22
  23 # As a special exception to the GNU General Public License, if you
  24 # distribute this file as part of a program that contains a
  25 # configuration script generated by Autoconf, you may include it under
  26 # the same distribution terms that you use for the rest of that program.
  27
  28 # Configuration subroutine to validate and canonicalize a configuration type.
  29 # Supply the specified configuration type as an argument.
  30 # If it is invalid, we print an error message on stderr and exit with code 1.
  31 # Otherwise, we print the canonical config type on stdout and succeed.
  32
  33 # This file is supposed to be the same for all GNU packages
  34 # and recognize all the CPU types, system types and aliases
  35 # that are meaningful with *any* GNU software.
  36 # Each package is responsible for reporting which valid configurations
  37 # it does not support.  The user should be able to distinguish
  38 # a failure to support a valid configuration from a meaningless
  39 # configuration.
  40
  41 # The goal of this file is to map all the various variations of a given
  42 # machine specification into a single specification in the form:
  43 #       CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
  44 # It is wrong to echo any other type of specification.
  45
  46 if [ x$1 = x ]
  47 then
  48         echo Configuration name missing. 1>&2
  49         echo "Usage: $0 CPU-MFR-OPSYS" 1>&2
  50         echo "or     $0 ALIAS" 1>&2
  51         echo where ALIAS is a recognized configuration type. 1>&2
  52         exit 1
  53 fi
  54
  55 # First pass through any local machine types.
  56 case $1 in
  57         *local*)
  58                 echo $1
  59                 exit 0
  60                 ;;
  61         *)
  62         ;;
  63 esac
  64
  65 # Separate what the user gave into CPU-COMPANY and OS (if any).
  66 basic_machine=`echo $1 | sed 's/-[^-]*$//'`
  67 if [ $basic_machine != $1 ]
  68 then os=`echo $1 | sed 's/.*-/-/'`
  69 else os=; fi
  70
  71 ### Let's recognize common machines as not being operating systems so
  72 ### that things like config.sub decstation-3100 work.  We also
  73 ### recognize some manufacturers as not being operating systems, so we
  74 ### can provide default operating systems below.
  75 case $os in
  76         -sun*os*)
  77                 # Prevent following clause from handling this invalid input.
  78                 ;;
  79         -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
  80         -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
  81         -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
  82         -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
  83         -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
  84         -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp )
  85                 os=
  86                 basic_machine=$1
  87                 ;;
  88         -hiux*)
  89                 os=-hiuxwe2
  90                 ;;
  91         -sco4)
  92                 os=-sco3.2v4
  93                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
  94                 ;;
  95         -sco3.2.[4-9]*)
  96                 os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
  97                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
  98                 ;;
  99         -sco3.2v[4-9]*)
 100                 # Don't forget version if it is 3.2v4 or newer.
 101                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 102                 ;;
 103         -sco*)
 104                 os=-sco3.2v2
 105                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 106                 ;;
 107         -isc)
 108                 os=-isc2.2
 109                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 110                 ;;
 111         -clix*)
 112                 basic_machine=clipper-intergraph
 113                 ;;
 114         -isc*)
 115                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 116                 ;;
 117         -lynx*)
 118                 os=-lynxos
 119                 ;;
 120         -ptx*)
 121                 basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
 122                 ;;
 123         -windowsnt*)
 124                 os=`echo $os | sed -e 's/windowsnt/winnt/'`
 125                 ;;
 126 esac
 127
 128 # Decode aliases for certain CPU-COMPANY combinations.
 129 case $basic_machine in
 130         # Recognize the basic CPU types without company name.
 131         # Some are omitted here because they have special meanings below.
 132         tahoe | i[345]86 | i860 | m68k | m68000 | m88k | ns32k | arm \
 133                 | arme[lb] | pyramid \
 134                 | tron | a29k | 580 | i960 | h8300 | hppa1.0 | hppa1.1 \
 135                 | alpha | we32k | ns16k | clipper | sparclite | i370 | sh \
 136                 | powerpc | powerpcle | sparc64 | 1750a | dsp16xx | mips64 | mipsel \
 137                 | pdp11 | mips64el | mips64orion | mips64orionel \
 138                 | sparc)
 139                 basic_machine=$basic_machine-unknown
 140                 ;;
 141         nios2 | nios2-* | nios2 | nios2-*)
 142                 basic_machine=nios2-altera
 143                 os=-linux
 144                 ;;
 145         # Object if more than one company name word.
 146         *-*-*)
 147                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 148                 exit 1
 149                 ;;
 150         # Recognize the basic CPU types with company name.
 151         vax-* | tahoe-* | i[345]86-* | i860-* | m68k-* | m68000-* | m88k-* \
 152               | sparc-* | ns32k-* | fx80-* | arm-* | c[123]* \
 153               | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* | power-* \
 154               | none-* | 580-* | cray2-* | h8300-* | i960-* | xmp-* | ymp-* \
 155               | hppa1.0-* | hppa1.1-* | alpha-* | we32k-* | cydra-* | ns16k-* \
 156               | pn-* | np1-* | xps100-* | clipper-* | orion-* | sparclite-* \
 157               | pdp11-* | sh-* | powerpc-* | powerpcle-* | sparc64-* | mips64-* | mipsel-* \
 158               | mips64el-* | mips64orion-* | mips64orionel-*)
 159                 ;;
 160         # Recognize the various machine names and aliases which stand
 161         # for a CPU type and a company and sometimes even an OS.
 162         3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
 163                 basic_machine=m68000-att
 164                 ;;
 165         3b*)
 166                 basic_machine=we32k-att
 167                 ;;
 168         alliant | fx80)
 169                 basic_machine=fx80-alliant
 170                 ;;
 171         altos | altos3068)
 172                 basic_machine=m68k-altos
 173                 ;;
 174         am29k)
 175                 basic_machine=a29k-none
 176                 os=-bsd
 177                 ;;
 178         amdahl)
 179                 basic_machine=580-amdahl
 180                 os=-sysv
 181                 ;;
 182         amiga | amiga-*)
 183                 basic_machine=m68k-cbm
 184                 ;;
 185         amigados)
 186                 basic_machine=m68k-cbm
 187                 os=-amigados
 188                 ;;
 189         amigaunix | amix)
 190                 basic_machine=m68k-cbm
 191                 os=-sysv4
 192                 ;;
 193         apollo68)
 194                 basic_machine=m68k-apollo
 195                 os=-sysv
 196                 ;;
 197         balance)
 198                 basic_machine=ns32k-sequent
 199                 os=-dynix
 200                 ;;
 201         convex-c1)
 202                 basic_machine=c1-convex
 203                 os=-bsd
 204                 ;;
 205         convex-c2)
 206                 basic_machine=c2-convex
 207                 os=-bsd
 208                 ;;
 209         convex-c32)
 210                 basic_machine=c32-convex
 211                 os=-bsd
 212                 ;;
 213         convex-c34)
 214                 basic_machine=c34-convex
 215                 os=-bsd
 216                 ;;
 217         convex-c38)
 218                 basic_machine=c38-convex
 219                 os=-bsd
 220                 ;;
 221         cray | ymp)
 222                 basic_machine=ymp-cray
 223                 os=-unicos
 224                 ;;
 225         cray2)
 226                 basic_machine=cray2-cray
 227                 os=-unicos
 228                 ;;
 229         crds | unos)
 230                 basic_machine=m68k-crds
 231                 ;;
 232         da30 | da30-*)
 233                 basic_machine=m68k-da30
 234                 ;;
 235         decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
 236                 basic_machine=mips-dec
 237                 ;;
 238         delta | 3300 | motorola-3300 | motorola-delta \
 239               | 3300-motorola | delta-motorola)
 240                 basic_machine=m68k-motorola
 241                 ;;
 242         delta88)
 243                 basic_machine=m88k-motorola
 244                 os=-sysv3
 245                 ;;
 246         dpx20 | dpx20-*)
 247                 basic_machine=rs6000-bull
 248                 os=-bosx
 249                 ;;
 250         dpx2* | dpx2*-bull)
 251                 basic_machine=m68k-bull
 252                 os=-sysv3
 253                 ;;
 254         ebmon29k)
 255                 basic_machine=a29k-amd
 256                 os=-ebmon
 257                 ;;
 258         elxsi)
 259                 basic_machine=elxsi-elxsi
 260                 os=-bsd
 261                 ;;
 262         encore | umax | mmax)
 263                 basic_machine=ns32k-encore
 264                 ;;
 265         fx2800)
 266                 basic_machine=i860-alliant
 267                 ;;
 268         genix)
 269                 basic_machine=ns32k-ns
 270                 ;;
 271         gmicro)
 272                 basic_machine=tron-gmicro
 273                 os=-sysv
 274                 ;;
 275         h3050r* | hiux*)
 276                 basic_machine=hppa1.1-hitachi
 277                 os=-hiuxwe2
 278                 ;;
 279         h8300hms)
 280                 basic_machine=h8300-hitachi
 281                 os=-hms
 282                 ;;
 283         harris)
 284                 basic_machine=m88k-harris
 285                 os=-sysv3
 286                 ;;
 287         hp300-*)
 288                 basic_machine=m68k-hp
 289                 ;;
 290         hp300bsd)
 291                 basic_machine=m68k-hp
 292                 os=-bsd
 293                 ;;
 294         hp300hpux)
 295                 basic_machine=m68k-hp
 296                 os=-hpux
 297                 ;;
 298         hp9k2[0-9][0-9] | hp9k31[0-9])
 299                 basic_machine=m68000-hp
 300                 ;;
 301         hp9k3[2-9][0-9])
 302                 basic_machine=m68k-hp
 303                 ;;
 304         hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7)
 305                 basic_machine=hppa1.1-hp
 306                 ;;
 307         hp9k8[0-9][0-9] | hp8[0-9][0-9])
 308                 basic_machine=hppa1.0-hp
 309                 ;;
 310         i370-ibm* | ibm*)
 311                 basic_machine=i370-ibm
 312                 os=-mvs
 313                 ;;
 314 # I'm not sure what "Sysv32" means.  Should this be sysv3.2?
 315         i[345]86v32)
 316                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 317                 os=-sysv32
 318                 ;;
 319         i[345]86v4*)
 320                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 321                 os=-sysv4
 322                 ;;
 323         i[345]86v)
 324                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 325                 os=-sysv
 326                 ;;
 327         i[345]86sol2)
 328                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 329                 os=-solaris2
 330                 ;;
 331         iris | iris4d)
 332                 basic_machine=mips-sgi
 333                 case $os in
 334                     -irix*)
 335                         ;;
 336                     *)
 337                         os=-irix4
 338                         ;;
 339                 esac
 340                 ;;
 341         isi68 | isi)
 342                 basic_machine=m68k-isi
 343                 os=-sysv
 344                 ;;
 345         m88k-omron*)
 346                 basic_machine=m88k-omron
 347                 ;;
 348         magnum | m3230)
 349                 basic_machine=mips-mips
 350                 os=-sysv
 351                 ;;
 352         merlin)
 353                 basic_machine=ns32k-utek
 354                 os=-sysv
 355                 ;;
 356         miniframe)
 357                 basic_machine=m68000-convergent
 358                 ;;
 359         mips3*-*)
 360                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
 361                 ;;
 362         mips3*)
 363                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
 364                 ;;
 365         ncr3000)
 366                 basic_machine=i486-ncr
 367                 os=-sysv4
 368                 ;;
 369         news | news700 | news800 | news900)
 370                 basic_machine=m68k-sony
 371                 os=-newsos
 372                 ;;
 373         news1000)
 374                 basic_machine=m68030-sony
 375                 os=-newsos
 376                 ;;
 377         news-3600 | risc-news)
 378                 basic_machine=mips-sony
 379                 os=-newsos
 380                 ;;
 381         next | m*-next )
 382                 basic_machine=m68k-next
 383                 case $os in
 384                     -nextstep* )
 385                         ;;
 386                     -ns2*)
 387                       os=-nextstep2
 388                         ;;
 389                     *)
 390                       os=-nextstep3
 391                         ;;
 392                 esac
 393                 ;;
 394         nh3000)
 395                 basic_machine=m68k-harris
 396                 os=-cxux
 397                 ;;
 398         nh[45]000)
 399                 basic_machine=m88k-harris
 400                 os=-cxux
 401                 ;;
 402         nindy960)
 403                 basic_machine=i960-intel
 404                 os=-nindy
 405                 ;;
 406         np1)
 407                 basic_machine=np1-gould
 408                 ;;
 409         pa-hitachi)
 410                 basic_machine=hppa1.1-hitachi
 411                 os=-hiuxwe2
 412                 ;;
 413         paragon)
 414                 basic_machine=i860-intel
 415                 os=-osf
 416                 ;;
 417         pbd)
 418                 basic_machine=sparc-tti
 419                 ;;
 420         pbb)
 421                 basic_machine=m68k-tti
 422                 ;;
 423         pc532 | pc532-*)
 424                 basic_machine=ns32k-pc532
 425                 ;;
 426         pentium | p5 | p6)
 427                 # We don't have specific support for the Intel Pentium (p6) followon yet, so just call it a Pentium
 428                 basic_machine=i586-intel
 429                 ;;
 430         pentium-* | p5-* | p6-*)
 431                 # We don't have specific support for the Intel Pentium (p6) followon yet, so just call it a Pentium
 432                 basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 433                 ;;
 434         k5)
 435                 # We don't have specific support for AMD's K5 yet, so just call it a Pentium
 436                 basic_machine=i586-amd
 437                 ;;
 438         nexen)
 439                 # We don't have specific support for Nexgen yet, so just call it a Pentium
 440                 basic_machine=i586-nexgen
 441                 ;;
 442         pn)
 443                 basic_machine=pn-gould
 444                 ;;
 445         power)  basic_machine=rs6000-ibm
 446                 ;;
 447         ppc)    basic_machine=powerpc-unknown
 448                 ;;
 449         ppc-*)  basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 450                 ;;
 451         ppcle | powerpclittle | ppc-le | powerpc-little)
 452                 basic_machine=powerpcle-unknown
 453                 ;;
 454         ppcle-* | powerpclittle-*)
 455                 basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
 456                 ;;
 457         ps2)
 458                 basic_machine=i386-ibm
 459                 ;;
 460         rm[46]00)
 461                 basic_machine=mips-siemens
 462                 ;;
 463         rtpc | rtpc-*)
 464                 basic_machine=romp-ibm
 465                 ;;
 466         sequent)
 467                 basic_machine=i386-sequent
 468                 ;;
 469         sh)
 470                 basic_machine=sh-hitachi
 471                 os=-hms
 472                 ;;
 473         sps7)
 474                 basic_machine=m68k-bull
 475                 os=-sysv2
 476                 ;;
 477         spur)
 478                 basic_machine=spur-unknown
 479                 ;;
 480         sun2)
 481                 basic_machine=m68000-sun
 482                 ;;
 483         sun2os3)
 484                 basic_machine=m68000-sun
 485                 os=-sunos3
 486                 ;;
 487         sun2os4)
 488                 basic_machine=m68000-sun
 489                 os=-sunos4
 490                 ;;
 491         sun3os3)
 492                 basic_machine=m68k-sun
 493                 os=-sunos3
 494                 ;;
 495         sun3os4)
 496                 basic_machine=m68k-sun
 497                 os=-sunos4
 498                 ;;
 499         sun4os3)
 500                 basic_machine=sparc-sun
 501                 os=-sunos3
 502                 ;;
 503         sun4os4)
 504                 basic_machine=sparc-sun
 505                 os=-sunos4
 506                 ;;
 507         sun4sol2)
 508                 basic_machine=sparc-sun
 509                 os=-solaris2
 510                 ;;
 511         sun3 | sun3-*)
 512                 basic_machine=m68k-sun
 513                 ;;
 514         sun4)
 515                 basic_machine=sparc-sun
 516                 ;;
 517         sun386 | sun386i | roadrunner)
 518                 basic_machine=i386-sun
 519                 ;;
 520         symmetry)
 521                 basic_machine=i386-sequent
 522                 os=-dynix
 523                 ;;
 524         tower | tower-32)
 525                 basic_machine=m68k-ncr
 526                 ;;
 527         udi29k)
 528                 basic_machine=a29k-amd
 529                 os=-udi
 530                 ;;
 531         ultra3)
 532                 basic_machine=a29k-nyu
 533                 os=-sym1
 534                 ;;
 535         vaxv)
 536                 basic_machine=vax-dec
 537                 os=-sysv
 538                 ;;
 539         vms)
 540                 basic_machine=vax-dec
 541                 os=-vms
 542                 ;;
 543         vxworks960)
 544                 basic_machine=i960-wrs
 545                 os=-vxworks
 546                 ;;
 547         vxworks68)
 548                 basic_machine=m68k-wrs
 549                 os=-vxworks
 550                 ;;
 551         vxworks29k)
 552                 basic_machine=a29k-wrs
 553                 os=-vxworks
 554                 ;;
 555         xmp)
 556                 basic_machine=xmp-cray
 557                 os=-unicos
 558                 ;;
 559         xps | xps100)
 560                 basic_machine=xps100-honeywell
 561                 ;;
 562         none)
 563                 basic_machine=none-none
 564                 os=-none
 565                 ;;
 566
 567 # Here we handle the default manufacturer of certain CPU types.  It is in
 568 # some cases the only manufacturer, in others, it is the most popular.
 569         mips)
 570                 basic_machine=mips-mips
 571                 ;;
 572         romp)
 573                 basic_machine=romp-ibm
 574                 ;;
 575         rs6000)
 576                 basic_machine=rs6000-ibm
 577                 ;;
 578         vax)
 579                 basic_machine=vax-dec
 580                 ;;
 581         pdp11)
 582                 basic_machine=pdp11-dec
 583                 ;;
 584         we32k)
 585                 basic_machine=we32k-att
 586                 ;;
 587         sparc)
 588                 basic_machine=sparc-sun
 589                 ;;
 590         cydra)
 591                 basic_machine=cydra-cydrome
 592                 ;;
 593         orion)
 594                 basic_machine=orion-highlevel
 595                 ;;
 596         orion105)
 597                 basic_machine=clipper-highlevel
 598                 ;;
 599         *)
 600                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 601                 exit 1
 602                 ;;
 603 esac
 604
 605 # Here we canonicalize certain aliases for manufacturers.
 606 case $basic_machine in
 607         *-digital*)
 608                 basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
 609                 ;;
 610         *-commodore*)
 611                 basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
 612                 ;;
 613         *)
 614                 ;;
 615 esac
 616
 617 # Decode manufacturer-specific aliases for certain operating systems.
 618
 619 if [ x"$os" != x"" ]
 620 then
 621 case $os in
 622         # -solaris* is a basic system type, with this one exception.
 623         -solaris1 | -solaris1.*)
 624                 os=`echo $os | sed -e 's|solaris1|sunos4|'`
 625                 ;;
 626         -solaris)
 627                 os=-solaris2
 628                 ;;
 629         -unixware* | svr4*)
 630                 os=-sysv4
 631                 ;;
 632         -gnu/linux*)
 633                 os=`echo $os | sed -e 's|gnu/linux|linux|'`
 634                 ;;
 635         # First accept the basic system types.
 636         # The portable systems comes first.
 637         # Each alternative MUST END IN A *, to match a version number.
 638         # -sysv* is not here because it comes later, after sysvr4.
 639         -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 640               | -vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[345]* \
 641               | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
 642               | -amigados* | -msdos* | -newsos* | -unicos* | -aos* \
 643               | -nindy* | -vxworks* | -ebmon* | -hms* | -mvs* | -clix* \
 644               | -riscos* | -linux* | -uniplus* | -iris* | -rtu* | -xenix* \
 645               | -hiux* | -386bsd* | -netbsd* | -freebsd* | -riscix* \
 646               | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
 647               | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 648               | -udi* | -eabi* | -lites* )
 649         # Remember, each alternative MUST END IN *, to match a version number.
 650                 ;;
 651         -sunos5*)
 652                 os=`echo $os | sed -e 's|sunos5|solaris2|'`
 653                 ;;
 654         -sunos6*)
 655                 os=`echo $os | sed -e 's|sunos6|solaris3|'`
 656                 ;;
 657         -osfrose*)
 658                 os=-osfrose
 659                 ;;
 660         -osf*)
 661                 os=-osf
 662                 ;;
 663         -utek*)
 664                 os=-bsd
 665                 ;;
 666         -dynix*)
 667                 os=-bsd
 668                 ;;
 669         -acis*)
 670                 os=-aos
 671                 ;;
 672         -ctix* | -uts*)
 673                 os=-sysv
 674                 ;;
 675         # Preserve the version number of sinix5.
 676         -sinix5.*)
 677                 os=`echo $os | sed -e 's|sinix|sysv|'`
 678                 ;;
 679         -sinix*)
 680                 os=-sysv4
 681                 ;;
 682         -triton*)
 683                 os=-sysv3
 684                 ;;
 685         -oss*)
 686                 os=-sysv3
 687                 ;;
 688         -svr4)
 689                 os=-sysv4
 690                 ;;
 691         -svr3)
 692                 os=-sysv3
 693                 ;;
 694         -sysvr4)
 695                 os=-sysv4
 696                 ;;
 697         # This must come after -sysvr4.
 698         -sysv*)
 699                 ;;
 700         -xenix)
 701                 os=-xenix
 702                 ;;
 703         -none)
 704                 ;;
 705         *)
 706                 # Get rid of the `-' at the beginning of $os.
 707                 os=`echo $os | sed 's/[^-]*-//'`
 708                 echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
 709                 exit 1
 710                 ;;
 711 esac
 712 else
 713
 714 # Here we handle the default operating systems that come with various machines.
 715 # The value should be what the vendor currently ships out the door with their
 716 # machine or put another way, the most popular os provided with the machine.
 717
 718 # Note that if you're going to try to match "-MANUFACTURER" here (say,
 719 # "-sun"), then you have to tell the case statement up towards the top
 720 # that MANUFACTURER isn't an operating system.  Otherwise, code above
 721 # will signal an error saying that MANUFACTURER isn't an operating
 722 # system, and we'll never get to this point.
 723
 724 case $basic_machine in
 725         *-acorn)
 726                 os=-riscix1.2
 727                 ;;
 728         arm*-semi)
 729                 os=-aout
 730                 ;;
 731         pdp11-*)
 732                 os=-none
 733                 ;;
 734         *-dec | vax-*)
 735                 os=-ultrix4.2
 736                 ;;
 737         m68*-apollo)
 738                 os=-domain
 739                 ;;
 740         i386-sun)
 741                 os=-sunos4.0.2
 742                 ;;
 743         m68000-sun)
 744                 os=-sunos3
 745                 # This also exists in the configure program, but was not the
 746                 # default.
 747                 # os=-sunos4
 748                 ;;
 749         *-tti)  # must be before sparc entry or we get the wrong os.
 750                 os=-sysv3
 751                 ;;
 752         sparc-* | *-sun)
 753                 os=-sunos4.1.1
 754                 ;;
 755         *-ibm)
 756                 os=-aix
 757                 ;;
 758         *-hp)
 759                 os=-hpux
 760                 ;;
 761         *-hitachi)
 762                 os=-hiux
 763                 ;;
 764         i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
 765                 os=-sysv
 766                 ;;
 767         *-cbm)
 768                 os=-amigados
 769                 ;;
 770         *-dg)
 771                 os=-dgux
 772                 ;;
 773         *-dolphin)
 774                 os=-sysv3
 775                 ;;
 776         m68k-ccur)
 777                 os=-rtu
 778                 ;;
 779         m88k-omron*)
 780                 os=-luna
 781                 ;;
 782         *-sequent)
 783                 os=-ptx
 784                 ;;
 785         *-crds)
 786                 os=-unos
 787                 ;;
 788         *-ns)
 789                 os=-genix
 790                 ;;
 791         i370-*)
 792                 os=-mvs
 793                 ;;
 794         *-next)
 795                 os=-nextstep3
 796                 ;;
 797         *-gould)
 798                 os=-sysv
 799                 ;;
 800         *-highlevel)
 801                 os=-bsd
 802                 ;;
 803         *-encore)
 804                 os=-bsd
 805                 ;;
 806         *-sgi)
 807                 os=-irix
 808                 ;;
 809         *-siemens)
 810                 os=-sysv4
 811                 ;;
 812         *-masscomp)
 813                 os=-rtu
 814                 ;;
 815         *)
 816                 os=-none
 817                 ;;
 818 esac
 819 fi
 820
 821 # Here we handle the case where we know the os, and the CPU type, but not the
 822 # manufacturer.  We pick the logical manufacturer.
 823 vendor=unknown
 824 case $basic_machine in
 825         *-unknown)
 826                 case $os in
 827                         -riscix*)
 828                                 vendor=acorn
 829                                 ;;
 830                         -sunos*)
 831                                 vendor=sun
 832                                 ;;
 833                         -lynxos*)
 834                                 vendor=lynx
 835                                 ;;
 836                         -aix*)
 837                                 vendor=ibm
 838                                 ;;
 839                         -hpux*)
 840                                 vendor=hp
 841                                 ;;
 842                         -hiux*)
 843                                 vendor=hitachi
 844                                 ;;
 845                         -unos*)
 846                                 vendor=crds
 847                                 ;;
 848                         -dgux*)
 849                                 vendor=dg
 850                                 ;;
 851                         -luna*)
 852                                 vendor=omron
 853                                 ;;
 854                         -genix*)
 855                                 vendor=ns
 856                                 ;;
 857                         -mvs*)
 858                                 vendor=ibm
 859                                 ;;
 860                         -ptx*)
 861                                 vendor=sequent
 862                                 ;;
 863                         -vxworks*)
 864                                 vendor=wrs
 865                                 ;;
 866                 esac
 867                 basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 868                 ;;
 869 esac
 870
 871 echo $basic_machine$os