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