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., 675 Mass Ave, Cambridge, MA 02139, USA.
  21
  22 # As a special exception to the GNU General Public License, if you
  23 # distribute this file as part of a program that contains a
  24 # configuration script generated by Autoconf, you may include it under
  25 # the same distribution terms that you use for the rest of that program.
  26
  27 # Configuration subroutine to validate and canonicalize a configuration type.
  28 # Supply the specified configuration type as an argument.
  29 # If it is invalid, we print an error message on stderr and exit with code 1.
  30 # Otherwise, we print the canonical config type on stdout and succeed.
  31
  32 # This file is supposed to be the same for all GNU packages
  33 # and recognize all the CPU types, system types and aliases
  34 # that are meaningful with *any* GNU software.
  35 # Each package is responsible for reporting which valid configurations
  36 # it does not support.  The user should be able to distinguish
  37 # a failure to support a valid configuration from a meaningless
  38 # configuration.
  39
  40 # The goal of this file is to map all the various variations of a given
  41 # machine specification into a single specification in the form:
  42 #       CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
  43 # It is wrong to echo any other type of specification.
  44
  45 if [ x$1 = x ]
  46 then
  47         echo Configuration name missing. 1>&2
  48         echo "Usage: $0 CPU-MFR-OPSYS" 1>&2
  49         echo "or     $0 ALIAS" 1>&2
  50         echo where ALIAS is a recognized configuration type. 1>&2
  51         exit 1
  52 fi
  53
  54 # First pass through any local machine types.
  55 case $1 in
  56         *local*)
  57                 echo $1
  58                 exit 0
  59                 ;;
  60         *)
  61         ;;
  62 esac
  63
  64 # Separate what the user gave into CPU-COMPANY and OS (if any).
  65 basic_machine=`echo $1 | sed 's/-[^-]*$//'`
  66 if [ $basic_machine != $1 ]
  67 then os=`echo $1 | sed 's/.*-/-/'`
  68 else os=; fi
  69
  70 ### Let's recognize common machines as not being operating systems so
  71 ### that things like config.sub decstation-3100 work.  We also
  72 ### recognize some manufacturers as not being operating systems, so we
  73 ### can provide default operating systems below.
  74 case $os in
  75         -sun*os*)
  76                 # Prevent following clause from handling this invalid input.
  77                 ;;
  78         -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
  79         -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
  80         -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
  81         -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
  82         -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
  83         -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp )
  84                 os=
  85                 basic_machine=$1
  86                 ;;
  87         -hiux*)
  88                 os=-hiuxwe2
  89                 ;;
  90         -sco4)
  91                 os=-sco3.2v4
  92                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
  93                 ;;
  94         -sco3.2.[4-9]*)
  95                 os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
  96                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
  97                 ;;
  98         -sco3.2v[4-9]*)
  99                 # Don't forget version if it is 3.2v4 or newer.
 100                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 101                 ;;
 102         -sco*)
 103                 os=-sco3.2v2
 104                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 105                 ;;
 106         -isc)
 107                 os=-isc2.2
 108                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 109                 ;;
 110         -clix*)
 111                 basic_machine=clipper-intergraph
 112                 ;;
 113         -isc*)
 114                 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'`
 115                 ;;
 116         -lynx*)
 117                 os=-lynxos
 118                 ;;
 119         -ptx*)
 120                 basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
 121                 ;;
 122         -windowsnt*)
 123                 os=`echo $os | sed -e 's/windowsnt/winnt/'`
 124                 ;;
 125 esac
 126
 127 # Decode aliases for certain CPU-COMPANY combinations.
 128 case $basic_machine in
 129         # Recognize the basic CPU types without company name.
 130         # Some are omitted here because they have special meanings below.
 131         tahoe | i[345]86 | i860 | m68k | m68000 | m88k | ns32k | arm \
 132                 | arme[lb] | pyramid \
 133                 | tron | a29k | 580 | i960 | h8300 | hppa1.0 | hppa1.1 \
 134                 | alpha | we32k | ns16k | clipper | sparclite | i370 | sh \
 135                 | powerpc | powerpcle | sparc64 | 1750a | dsp16xx | mips64 | mipsel \
 136                 | pdp11 | mips64el | mips64orion | mips64orionel \
 137                 | sparc)
 138                 basic_machine=$basic_machine-unknown
 139                 ;;
 140         # Object if more than one company name word.
 141         *-*-*)
 142                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 143                 exit 1
 144                 ;;
 145         # Recognize the basic CPU types with company name.
 146         vax-* | tahoe-* | i[345]86-* | i860-* | m68k-* | m68000-* | m88k-* \
 147               | sparc-* | ns32k-* | fx80-* | arm-* | c[123]* \
 148               | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* | power-* \
 149               | none-* | 580-* | cray2-* | h8300-* | i960-* | xmp-* | ymp-* \
 150               | hppa1.0-* | hppa1.1-* | alpha-* | we32k-* | cydra-* | ns16k-* \
 151               | pn-* | np1-* | xps100-* | clipper-* | orion-* | sparclite-* \
 152               | pdp11-* | sh-* | powerpc-* | powerpcle-* | sparc64-* | mips64-* | mipsel-* \
 153               | mips64el-* | mips64orion-* | mips64orionel-*)
 154                 ;;
 155         # Recognize the various machine names and aliases which stand
 156         # for a CPU type and a company and sometimes even an OS.
 157         3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
 158                 basic_machine=m68000-att
 159                 ;;
 160         3b*)
 161                 basic_machine=we32k-att
 162                 ;;
 163         alliant | fx80)
 164                 basic_machine=fx80-alliant
 165                 ;;
 166         altos | altos3068)
 167                 basic_machine=m68k-altos
 168                 ;;
 169         am29k)
 170                 basic_machine=a29k-none
 171                 os=-bsd
 172                 ;;
 173         amdahl)
 174                 basic_machine=580-amdahl
 175                 os=-sysv
 176                 ;;
 177         amiga | amiga-*)
 178                 basic_machine=m68k-cbm
 179                 ;;
 180         amigados)
 181                 basic_machine=m68k-cbm
 182                 os=-amigados
 183                 ;;
 184         amigaunix | amix)
 185                 basic_machine=m68k-cbm
 186                 os=-sysv4
 187                 ;;
 188         apollo68)
 189                 basic_machine=m68k-apollo
 190                 os=-sysv
 191                 ;;
 192         balance)
 193                 basic_machine=ns32k-sequent
 194                 os=-dynix
 195                 ;;
 196         convex-c1)
 197                 basic_machine=c1-convex
 198                 os=-bsd
 199                 ;;
 200         convex-c2)
 201                 basic_machine=c2-convex
 202                 os=-bsd
 203                 ;;
 204         convex-c32)
 205                 basic_machine=c32-convex
 206                 os=-bsd
 207                 ;;
 208         convex-c34)
 209                 basic_machine=c34-convex
 210                 os=-bsd
 211                 ;;
 212         convex-c38)
 213                 basic_machine=c38-convex
 214                 os=-bsd
 215                 ;;
 216         cray | ymp)
 217                 basic_machine=ymp-cray
 218                 os=-unicos
 219                 ;;
 220         cray2)
 221                 basic_machine=cray2-cray
 222                 os=-unicos
 223                 ;;
 224         crds | unos)
 225                 basic_machine=m68k-crds
 226                 ;;
 227         da30 | da30-*)
 228                 basic_machine=m68k-da30
 229                 ;;
 230         decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
 231                 basic_machine=mips-dec
 232                 ;;
 233         delta | 3300 | motorola-3300 | motorola-delta \
 234               | 3300-motorola | delta-motorola)
 235                 basic_machine=m68k-motorola
 236                 ;;
 237         delta88)
 238                 basic_machine=m88k-motorola
 239                 os=-sysv3
 240                 ;;
 241         dpx20 | dpx20-*)
 242                 basic_machine=rs6000-bull
 243                 os=-bosx
 244                 ;;
 245         dpx2* | dpx2*-bull)
 246                 basic_machine=m68k-bull
 247                 os=-sysv3
 248                 ;;
 249         ebmon29k)
 250                 basic_machine=a29k-amd
 251                 os=-ebmon
 252                 ;;
 253         elxsi)
 254                 basic_machine=elxsi-elxsi
 255                 os=-bsd
 256                 ;;
 257         encore | umax | mmax)
 258                 basic_machine=ns32k-encore
 259                 ;;
 260         fx2800)
 261                 basic_machine=i860-alliant
 262                 ;;
 263         genix)
 264                 basic_machine=ns32k-ns
 265                 ;;
 266         gmicro)
 267                 basic_machine=tron-gmicro
 268                 os=-sysv
 269                 ;;
 270         h3050r* | hiux*)
 271                 basic_machine=hppa1.1-hitachi
 272                 os=-hiuxwe2
 273                 ;;
 274         h8300hms)
 275                 basic_machine=h8300-hitachi
 276                 os=-hms
 277                 ;;
 278         harris)
 279                 basic_machine=m88k-harris
 280                 os=-sysv3
 281                 ;;
 282         hp300-*)
 283                 basic_machine=m68k-hp
 284                 ;;
 285         hp300bsd)
 286                 basic_machine=m68k-hp
 287                 os=-bsd
 288                 ;;
 289         hp300hpux)
 290                 basic_machine=m68k-hp
 291                 os=-hpux
 292                 ;;
 293         hp9k2[0-9][0-9] | hp9k31[0-9])
 294                 basic_machine=m68000-hp
 295                 ;;
 296         hp9k3[2-9][0-9])
 297                 basic_machine=m68k-hp
 298                 ;;
 299         hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7)
 300                 basic_machine=hppa1.1-hp
 301                 ;;
 302         hp9k8[0-9][0-9] | hp8[0-9][0-9])
 303                 basic_machine=hppa1.0-hp
 304                 ;;
 305         i370-ibm* | ibm*)
 306                 basic_machine=i370-ibm
 307                 os=-mvs
 308                 ;;
 309 # I'm not sure what "Sysv32" means.  Should this be sysv3.2?
 310         i[345]86v32)
 311                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 312                 os=-sysv32
 313                 ;;
 314         i[345]86v4*)
 315                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 316                 os=-sysv4
 317                 ;;
 318         i[345]86v)
 319                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 320                 os=-sysv
 321                 ;;
 322         i[345]86sol2)
 323                 basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 324                 os=-solaris2
 325                 ;;
 326         iris | iris4d)
 327                 basic_machine=mips-sgi
 328                 case $os in
 329                     -irix*)
 330                         ;;
 331                     *)
 332                         os=-irix4
 333                         ;;
 334                 esac
 335                 ;;
 336         isi68 | isi)
 337                 basic_machine=m68k-isi
 338                 os=-sysv
 339                 ;;
 340         m88k-omron*)
 341                 basic_machine=m88k-omron
 342                 ;;
 343         magnum | m3230)
 344                 basic_machine=mips-mips
 345                 os=-sysv
 346                 ;;
 347         merlin)
 348                 basic_machine=ns32k-utek
 349                 os=-sysv
 350                 ;;
 351         miniframe)
 352                 basic_machine=m68000-convergent
 353                 ;;
 354         mips3*-*)
 355                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
 356                 ;;
 357         mips3*)
 358                 basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
 359                 ;;
 360         ncr3000)
 361                 basic_machine=i486-ncr
 362                 os=-sysv4
 363                 ;;
 364         news | news700 | news800 | news900)
 365                 basic_machine=m68k-sony
 366                 os=-newsos
 367                 ;;
 368         news1000)
 369                 basic_machine=m68030-sony
 370                 os=-newsos
 371                 ;;
 372         news-3600 | risc-news)
 373                 basic_machine=mips-sony
 374                 os=-newsos
 375                 ;;
 376         next | m*-next )
 377                 basic_machine=m68k-next
 378                 case $os in
 379                     -nextstep* )
 380                         ;;
 381                     -ns2*)
 382                       os=-nextstep2
 383                         ;;
 384                     *)
 385                       os=-nextstep3
 386                         ;;
 387                 esac
 388                 ;;
 389         nh3000)
 390                 basic_machine=m68k-harris
 391                 os=-cxux
 392                 ;;
 393         nh[45]000)
 394                 basic_machine=m88k-harris
 395                 os=-cxux
 396                 ;;
 397         nindy960)
 398                 basic_machine=i960-intel
 399                 os=-nindy
 400                 ;;
 401         np1)
 402                 basic_machine=np1-gould
 403                 ;;
 404         pa-hitachi)
 405                 basic_machine=hppa1.1-hitachi
 406                 os=-hiuxwe2
 407                 ;;
 408         paragon)
 409                 basic_machine=i860-intel
 410                 os=-osf
 411                 ;;
 412         pbd)
 413                 basic_machine=sparc-tti
 414                 ;;
 415         pbb)
 416                 basic_machine=m68k-tti
 417                 ;;
 418         pc532 | pc532-*)
 419                 basic_machine=ns32k-pc532
 420                 ;;
 421         pentium | p5 | p6)
 422                 # We don't have specific support for the Intel Pentium (p6) followon yet, so just call it a Pentium
 423                 basic_machine=i586-intel
 424                 ;;
 425         pentium-* | p5-* | p6-*)
 426                 # We don't have specific support for the Intel Pentium (p6) followon yet, so just call it a Pentium
 427                 basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 428                 ;;
 429         k5)
 430                 # We don't have specific support for AMD's K5 yet, so just call it a Pentium
 431                 basic_machine=i586-amd
 432                 ;;
 433         nexen)
 434                 # We don't have specific support for Nexgen yet, so just call it a Pentium
 435                 basic_machine=i586-nexgen
 436                 ;;
 437         pn)
 438                 basic_machine=pn-gould
 439                 ;;
 440         power)  basic_machine=rs6000-ibm
 441                 ;;
 442         ppc)    basic_machine=powerpc-unknown
 443                 ;;
 444         ppc-*)  basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 445                 ;;
 446         ppcle | powerpclittle | ppc-le | powerpc-little)
 447                 basic_machine=powerpcle-unknown
 448                 ;;
 449         ppcle-* | powerpclittle-*)
 450                 basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
 451                 ;;
 452         ps2)
 453                 basic_machine=i386-ibm
 454                 ;;
 455         rm[46]00)
 456                 basic_machine=mips-siemens
 457                 ;;
 458         rtpc | rtpc-*)
 459                 basic_machine=romp-ibm
 460                 ;;
 461         sequent)
 462                 basic_machine=i386-sequent
 463                 ;;
 464         sh)
 465                 basic_machine=sh-hitachi
 466                 os=-hms
 467                 ;;
 468         sps7)
 469                 basic_machine=m68k-bull
 470                 os=-sysv2
 471                 ;;
 472         spur)
 473                 basic_machine=spur-unknown
 474                 ;;
 475         sun2)
 476                 basic_machine=m68000-sun
 477                 ;;
 478         sun2os3)
 479                 basic_machine=m68000-sun
 480                 os=-sunos3
 481                 ;;
 482         sun2os4)
 483                 basic_machine=m68000-sun
 484                 os=-sunos4
 485                 ;;
 486         sun3os3)
 487                 basic_machine=m68k-sun
 488                 os=-sunos3
 489                 ;;
 490         sun3os4)
 491                 basic_machine=m68k-sun
 492                 os=-sunos4
 493                 ;;
 494         sun4os3)
 495                 basic_machine=sparc-sun
 496                 os=-sunos3
 497                 ;;
 498         sun4os4)
 499                 basic_machine=sparc-sun
 500                 os=-sunos4
 501                 ;;
 502         sun4sol2)
 503                 basic_machine=sparc-sun
 504                 os=-solaris2
 505                 ;;
 506         sun3 | sun3-*)
 507                 basic_machine=m68k-sun
 508                 ;;
 509         sun4)
 510                 basic_machine=sparc-sun
 511                 ;;
 512         sun386 | sun386i | roadrunner)
 513                 basic_machine=i386-sun
 514                 ;;
 515         symmetry)
 516                 basic_machine=i386-sequent
 517                 os=-dynix
 518                 ;;
 519         tower | tower-32)
 520                 basic_machine=m68k-ncr
 521                 ;;
 522         udi29k)
 523                 basic_machine=a29k-amd
 524                 os=-udi
 525                 ;;
 526         ultra3)
 527                 basic_machine=a29k-nyu
 528                 os=-sym1
 529                 ;;
 530         vaxv)
 531                 basic_machine=vax-dec
 532                 os=-sysv
 533                 ;;
 534         vms)
 535                 basic_machine=vax-dec
 536                 os=-vms
 537                 ;;
 538         vxworks960)
 539                 basic_machine=i960-wrs
 540                 os=-vxworks
 541                 ;;
 542         vxworks68)
 543                 basic_machine=m68k-wrs
 544                 os=-vxworks
 545                 ;;
 546         vxworks29k)
 547                 basic_machine=a29k-wrs
 548                 os=-vxworks
 549                 ;;
 550         xmp)
 551                 basic_machine=xmp-cray
 552                 os=-unicos
 553                 ;;
 554         xps | xps100)
 555                 basic_machine=xps100-honeywell
 556                 ;;
 557         none)
 558                 basic_machine=none-none
 559                 os=-none
 560                 ;;
 561
 562 # Here we handle the default manufacturer of certain CPU types.  It is in
 563 # some cases the only manufacturer, in others, it is the most popular.
 564         mips)
 565                 basic_machine=mips-mips
 566                 ;;
 567         romp)
 568                 basic_machine=romp-ibm
 569                 ;;
 570         rs6000)
 571                 basic_machine=rs6000-ibm
 572                 ;;
 573         vax)
 574                 basic_machine=vax-dec
 575                 ;;
 576         pdp11)
 577                 basic_machine=pdp11-dec
 578                 ;;
 579         we32k)
 580                 basic_machine=we32k-att
 581                 ;;
 582         sparc)
 583                 basic_machine=sparc-sun
 584                 ;;
 585         cydra)
 586                 basic_machine=cydra-cydrome
 587                 ;;
 588         orion)
 589                 basic_machine=orion-highlevel
 590                 ;;
 591         orion105)
 592                 basic_machine=clipper-highlevel
 593                 ;;
 594         *)
 595                 echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
 596                 exit 1
 597                 ;;
 598 esac
 599
 600 # Here we canonicalize certain aliases for manufacturers.
 601 case $basic_machine in
 602         *-digital*)
 603                 basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
 604                 ;;
 605         *-commodore*)
 606                 basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
 607                 ;;
 608         *)
 609                 ;;
 610 esac
 611
 612 # Decode manufacturer-specific aliases for certain operating systems.
 613
 614 if [ x"$os" != x"" ]
 615 then
 616 case $os in
 617         # -solaris* is a basic system type, with this one exception.
 618         -solaris1 | -solaris1.*)
 619                 os=`echo $os | sed -e 's|solaris1|sunos4|'`
 620                 ;;
 621         -solaris)
 622                 os=-solaris2
 623                 ;;
 624         -unixware* | svr4*)
 625                 os=-sysv4
 626                 ;;
 627         -gnu/linux*)
 628                 os=`echo $os | sed -e 's|gnu/linux|linux|'`
 629                 ;;
 630         # First accept the basic system types.
 631         # The portable systems comes first.
 632         # Each alternative MUST END IN A *, to match a version number.
 633         # -sysv* is not here because it comes later, after sysvr4.
 634         -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 635               | -vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[345]* \
 636               | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
 637               | -amigados* | -msdos* | -newsos* | -unicos* | -aos* \
 638               | -nindy* | -vxworks* | -ebmon* | -hms* | -mvs* | -clix* \
 639               | -riscos* | -linux* | -uniplus* | -iris* | -rtu* | -xenix* \
 640               | -hiux* | -386bsd* | -netbsd* | -freebsd* | -riscix* \
 641               | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
 642               | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 643               | -udi* | -eabi* | -lites* )
 644         # Remember, each alternative MUST END IN *, to match a version number.
 645                 ;;
 646         -sunos5*)
 647                 os=`echo $os | sed -e 's|sunos5|solaris2|'`
 648                 ;;
 649         -sunos6*)
 650                 os=`echo $os | sed -e 's|sunos6|solaris3|'`
 651                 ;;
 652         -osfrose*)
 653                 os=-osfrose
 654                 ;;
 655         -osf*)
 656                 os=-osf
 657                 ;;
 658         -utek*)
 659                 os=-bsd
 660                 ;;
 661         -dynix*)
 662                 os=-bsd
 663                 ;;
 664         -acis*)
 665                 os=-aos
 666                 ;;
 667         -ctix* | -uts*)
 668                 os=-sysv
 669                 ;;
 670         # Preserve the version number of sinix5.
 671         -sinix5.*)
 672                 os=`echo $os | sed -e 's|sinix|sysv|'`
 673                 ;;
 674         -sinix*)
 675                 os=-sysv4
 676                 ;;
 677         -triton*)
 678                 os=-sysv3
 679                 ;;
 680         -oss*)
 681                 os=-sysv3
 682                 ;;
 683         -svr4)
 684                 os=-sysv4
 685                 ;;
 686         -svr3)
 687                 os=-sysv3
 688                 ;;
 689         -sysvr4)
 690                 os=-sysv4
 691                 ;;
 692         # This must come after -sysvr4.
 693         -sysv*)
 694                 ;;
 695         -xenix)
 696                 os=-xenix
 697                 ;;
 698         -none)
 699                 ;;
 700         *)
 701                 # Get rid of the `-' at the beginning of $os.
 702                 os=`echo $os | sed 's/[^-]*-//'`
 703                 echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
 704                 exit 1
 705                 ;;
 706 esac
 707 else
 708
 709 # Here we handle the default operating systems that come with various machines.
 710 # The value should be what the vendor currently ships out the door with their
 711 # machine or put another way, the most popular os provided with the machine.
 712
 713 # Note that if you're going to try to match "-MANUFACTURER" here (say,
 714 # "-sun"), then you have to tell the case statement up towards the top
 715 # that MANUFACTURER isn't an operating system.  Otherwise, code above
 716 # will signal an error saying that MANUFACTURER isn't an operating
 717 # system, and we'll never get to this point.
 718
 719 case $basic_machine in
 720         *-acorn)
 721                 os=-riscix1.2
 722                 ;;
 723         arm*-semi)
 724                 os=-aout
 725                 ;;
 726         pdp11-*)
 727                 os=-none
 728                 ;;
 729         *-dec | vax-*)
 730                 os=-ultrix4.2
 731                 ;;
 732         m68*-apollo)
 733                 os=-domain
 734                 ;;
 735         i386-sun)
 736                 os=-sunos4.0.2
 737                 ;;
 738         m68000-sun)
 739                 os=-sunos3
 740                 # This also exists in the configure program, but was not the
 741                 # default.
 742                 # os=-sunos4
 743                 ;;
 744         *-tti)  # must be before sparc entry or we get the wrong os.
 745                 os=-sysv3
 746                 ;;
 747         sparc-* | *-sun)
 748                 os=-sunos4.1.1
 749                 ;;
 750         *-ibm)
 751                 os=-aix
 752                 ;;
 753         *-hp)
 754                 os=-hpux
 755                 ;;
 756         *-hitachi)
 757                 os=-hiux
 758                 ;;
 759         i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
 760                 os=-sysv
 761                 ;;
 762         *-cbm)
 763                 os=-amigados
 764                 ;;
 765         *-dg)
 766                 os=-dgux
 767                 ;;
 768         *-dolphin)
 769                 os=-sysv3
 770                 ;;
 771         m68k-ccur)
 772                 os=-rtu
 773                 ;;
 774         m88k-omron*)
 775                 os=-luna
 776                 ;;
 777         *-sequent)
 778                 os=-ptx
 779                 ;;
 780         *-crds)
 781                 os=-unos
 782                 ;;
 783         *-ns)
 784                 os=-genix
 785                 ;;
 786         i370-*)
 787                 os=-mvs
 788                 ;;
 789         *-next)
 790                 os=-nextstep3
 791                 ;;
 792         *-gould)
 793                 os=-sysv
 794                 ;;
 795         *-highlevel)
 796                 os=-bsd
 797                 ;;
 798         *-encore)
 799                 os=-bsd
 800                 ;;
 801         *-sgi)
 802                 os=-irix
 803                 ;;
 804         *-siemens)
 805                 os=-sysv4
 806                 ;;
 807         *-masscomp)
 808                 os=-rtu
 809                 ;;
 810         *)
 811                 os=-none
 812                 ;;
 813 esac
 814 fi
 815
 816 # Here we handle the case where we know the os, and the CPU type, but not the
 817 # manufacturer.  We pick the logical manufacturer.
 818 vendor=unknown
 819 case $basic_machine in
 820         *-unknown)
 821                 case $os in
 822                         -riscix*)
 823                                 vendor=acorn
 824                                 ;;
 825                         -sunos*)
 826                                 vendor=sun
 827                                 ;;
 828                         -lynxos*)
 829                                 vendor=lynx
 830                                 ;;
 831                         -aix*)
 832                                 vendor=ibm
 833                                 ;;
 834                         -hpux*)
 835                                 vendor=hp
 836                                 ;;
 837                         -hiux*)
 838                                 vendor=hitachi
 839                                 ;;
 840                         -unos*)
 841                                 vendor=crds
 842                                 ;;
 843                         -dgux*)
 844                                 vendor=dg
 845                                 ;;
 846                         -luna*)
 847                                 vendor=omron
 848                                 ;;
 849                         -genix*)
 850                                 vendor=ns
 851                                 ;;
 852                         -mvs*)
 853                                 vendor=ibm
 854                                 ;;
 855                         -ptx*)
 856                                 vendor=sequent
 857                                 ;;
 858                         -vxworks*)
 859                                 vendor=wrs
 860                                 ;;
 861                 esac
 862                 basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 863                 ;;
 864 esac
 865
 866 echo $basic_machine$os