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